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Patent:12525423 17.01.2011 Nolde, G. V. (P) Marchant (P) Calculating Machine Co., CA : Calculating Machine [6.97%]
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Patent:12530149 17.01.2011 Britten, E. F., Jr. (P) : Calculating Machine [6.82%]
Patent:12531089 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [9.13%]
Patent:12531204 17.01.2011 Gang, Herman (P) Monroe (P) : Carriage Tabulating Means [7.09%]
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Patent:12531208 17.01.2011 Gang, Herman (P) Monroe (P) : Product Transfer Means [7.52%]
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Patent:12546884 17.01.2011 Britten, E. F., Jr. (P) : Function Control Mechanism [11.26%]
Patent:12552789 17.01.2011 Hopkins, G. W. (P) : Key-Responsive Cycle Initiating Means [24.99%]
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Patent:12562049 17.01.2011 Lambert, H. L. (P) : Calculating Machine [7.33%]
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Patent:12628030 17.01.2011 Taylor, L. B. (P) : Calculating Machine Keyboard [31.13%]
Patent:12628031 17.01.2011 Ellerbeck, Grant Clawson (P) : Decimal Point Marker [24.91%]
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Patent:12634053 17.01.2011 Ellerbeck, Grant Clawson (P) Friden (P) : Tabulation Control Incident to Indexing a Multiplication Factor [15.92%]
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Patent:12636678 17.01.2011 Matthew, M. P. (P) : Carriage Shifting Mechanism [7.35%]
Patent:12636679 17.01.2011 Gang, Herman (P) Monroe (P) : Keyboard Clearing Mechanism [26.66%]
Patent:12638271 17.01.2011 Pasinski, W. J. (P) : Duplex Calculating Machine [7.95%]
Patent:12639663 17.01.2011 Whitaker, J. (P) : Keyboard Construction for Check Writers, etc. [27.32%]
Patent:12642226 17.01.2011 Luhn, Hans P. (P) : Keyboard [29.10%]
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Patent:12644637 17.01.2011 Butler, Thomas M. (P) : Accounting Machine [24.77%]
Patent:12644639 17.01.2011 Hawthorne, Nathaniel (P) : Carriage Shifting Mechanism [7.35%]
Patent:12645422 17.01.2011 Pfleger, F. W. (P) : Carriage Position Control Means for Accumulation of Products around a Fixed Decimal Point [22.74%]
Patent:12646922 17.01.2011 Sime, M. E. (P) : Calculating Machine [21.10%]
Patent:12648279 17.01.2011 Keuper, W. J. (P) : Type Wheel Indexing Laundry Listing Machine [11.35%]
Patent:12650027 17.01.2011 Avery, Harold (P) Marchant (P) : Keyboard Interlock [30.37%]
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Patent:12651400 17.01.2011 Young, D. W. (P) et al : Graph Plotting Machine [12.22%]
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Patent:12654539 17.01.2011 Brubaker, D. P. (P) et al : Ordinally-Selective Key-Responsive Cycle Initiating Mechanism [16.78%]
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Patent:12656110 17.01.2011 Niemann, Frederick (P) Adolph : Split Clearing Mechanism [12.18%]
Patent:12658669 17.01.2011 Duke, H. J. (P) : Automatic Balance Scheduling Means for Listing Calculating Machines [15.43%]
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Patent:12666580 17.01.2011 Hopkins, G. W. (P) et al : Dividend-Divisor Aligning Mechanism [7.61%]
Patent:12675175 17.01.2011 Frieberg, N. R. (P) et al NCR (P) : Indian Currency Adding Machine [6.93%]
Patent:12678160 17.01.2011 Hutton, J. L. (P) : Key-Responsive Recording Calculator [22.22%]
Patent:12678162 17.01.2011 Hutton, J. L. (P) : Computing Machine [18.95%]
Patent:12679916 17.01.2011 Matthew, M. P. (P) : Shift Clutch [7.37%]
Patent:12681765 17.01.2011 Hopkins, G. W. (P) et al : Value Indexing Mechanism [7.20%]
Patent:12681766 17.01.2011 Hopkins, G. W. (P) et al : Adding Machine [7.31%]
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Patent:12702668 17.01.2011 Dustin, H. M. (P) Marchant (P) : Decimal Aligning Mechanism [15.76%]
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Patent:12707077 17.01.2011 Wise, E. L. (P) Underwood (P) : Ten-Key Indexing System [19.04%]
Patent:12710141 17.01.2011 Avery, Harold (P) Marchant (P) : Dividend-Divisor Aligning Mechanism [19.83%]
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Patent:12714986 17.01.2011 Moody, J. L. (P) et al Friden (P) : Single Cycle Mechanism [24.16%]
Patent:12714987 17.01.2011 Frieberg, N. R. (P) NCR (P) : Repeat Mechanism for Calculating Machines [14.33%]
Patent:12714988 17.01.2011 Brubaker, D. P. (P) NCR (P) : Keyboard Controls for Adding Machines [19.40%]
Patent:12714989 17.01.2011 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine [26.97%]
Patent:12714991 17.01.2011 Hopkins, G. W. (P) Monroe (P) : Sign Control Mechanism for Duplex Registers [17.99%]
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Patent:12733007 17.01.2011 Rolph, D. L. (P) Friden (P) : Power Operated Selection Mechanism [12.17%]
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Patent:12736492 17.01.2011 Ellerbeck, Grant Clawson (P) Friden (P) : Square Root Mechanism [20.51%]
Patent:12736493 17.01.2011 Ellerbeck, Grant Clawson (P) Friden (P) : Square Root Calculating Machine [12.94%]
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Patent:12750114 17.01.2011 Crosman, Loring Pickering (P) Sperry Rand Corp. : Reversible Accumulator [10.18%]
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Patent:12756935 17.01.2011 Placke, Everett H. (P) et al NCR (P) : Pence Differential Mechanism [16.01%]
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Patent:12794596 17.01.2011 Ellerbeck, Grant Clawson (P) Friden (P) : Back-Transfer Mechanism [16.27%]
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Patent:12814031 17.01.2011 R. A. Davis Friden (P) : Magnetic Storage Keyboard [31.09%]
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Patent:12861746 17.01.2011 W. A. Anderson Underwood (P) : Control Means for Accounting Machine [7.23%]
Patent:12862664 17.01.2011 D. M. MacDonald : Electrical Keyboard [27.53%]
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Patent:12889985 17.01.2011 Ellerbeck, Grant Clawson (P) : Proportional Gear Calculating Machine [25.60%]
Patent:12894449 17.01.2011 Boyden, Robert E. (P) et al : Sales Transaction Machine [6.76%]
Patent:12896846 17.01.2011 H. M. Dustin Marchant (P) : Ten Key Value and Decimal Point Indexing System [7.54%]
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Patent:12899132 17.01.2011 R. K. Orthuber : Checking Systems [3.78%]
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Patent:12930529 17.01.2011 P. Laboissiere : Multiple Accumulator Accounting Machine [20.58%]
Patent:12931568 17.01.2011 Gang, Herman (P) Monroe (P) : Factor Entering Means [24.25%]
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Patent:12935254 17.01.2011 Plunkett Friden (P) : Calculating Machine [13.24%]
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Patent:12957481 17.01.2011 A. R. Buchholz : Coin Delivery Machine [16.50%]
Patent:12957624 17.01.2011 P. R. Gunn : Bidirectional Selection Slide for Calculating Machine [25.95%]
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Patent:12975971 17.01.2011 Schenk Oerlikon (P) : Calc Mach with Digit Keys and Function Control Keys [7.20%]
Patent:12980321 17.01.2011 Schrimpf De Te We : Shifting Device for Sliding Carriages in Office Machines [4.03%]
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Patent:12981468 17.01.2011 Grip, Erik Konrad (P) Facit (P) : Calc Mach of the Ten Key Type [9.41%]
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Patent:12985370 17.01.2011 Allen et al : Light Means for Controlling Calculating Machine Functions [6.61%]
Patent:12988093 17.01.2011 A. R. Buchholz : Remote Control for Coin Dispensing Machine [14.29%]
Patent:12989232 17.01.2011 C. Dorman : Calculating Machine Carriage Shift Mechanism [9.27%]
Patent:12991008 17.01.2011 M. M. Goldberg : Computer Operating Means [3.77%]
Patent:12997703 17.01.2011 R. R. Powell : Keyboard Controlled Circuitry [15.67%]
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Patent:1745539 17.01.2011 Wales, Charles (P) : Adding Machine [6.88%]
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Patent:1745541 17.01.2011 Wales, Charles (P) : Multiplying Mechanism for Adding Machine [11.34%]
Patent:1745542 17.01.2011 Wales, Charles (P) : Carrying Mechanism for Adding Machine [11.28%]
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Patent:1751207 17.01.2011 Rinsche, Frank Charles (P) : Calculating Machine [19.08%]
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Patent:1778741 17.01.2011 W. W. Childs : Machine for Printing and Totalizing Lines of Numerals [4.06%]
Patent:1807398 17.01.2011 W. H. Pumphrey : Adding Machine [9.43%]
Patent:1842232 17.01.2011 McFarland, Charles Numan (P) : Adding Machine [4.14%]
Patent:1842763 17.01.2011 Burg, Hubert (P) : Cryptographic Machine [3.37%]
Patent:1844505 17.01.2011 Drysdale, Stephen H. (P) : Adding Machine [3.83%]
Patent:1858548 17.01.2011 Vincent, Jesse Gurney (P) : Adding Machine [8.18%]
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Patent:1960528 17.01.2011 Felt, Dorr E. (P) : Calculating Machine [7.00%]
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