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Patent:11391072 17.01.2011 W. J. Pasinski : Adding Machine [9.25%]
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Patent:12196996 17.01.2011 W. T. Lang : Multiplying Machine [3.70%]
Patent:12200588 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [6.43%]
Patent:12201713 17.01.2011 Britten, Edwin (P) : Calculating Machine [3.75%]
Patent:12202948 17.01.2011 A. J. Fettig : Calcualting Machine [6.17%]
Patent:12208147 17.01.2011 J. D. Eisler : Photoelectric Inclinometer [3.51%]
Patent:12211225 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [14.66%]
Patent:12221476 17.01.2011 H. C. Goodrich : Slide Rule [3.34%]
Patent:12228068 17.01.2011 E. J. White : Integrating Apparatus [3.38%]
Patent:12229630 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [7.32%]
Patent:12229889 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [6.85%]
Patent:12229890 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [11.51%]
Patent:12237873 17.01.2011 F. J. Barok : Calculating Device [7.79%]
Patent:12240797 17.01.2011 W. J. Pasinski : Calculating Machine [3.53%]
Patent:12244241 17.01.2011 Bryce, James (P) : Cross-Adding Accounting Machine and Programming Means therefore [11.49%]
Patent:12251097 17.01.2011 W. A. Anderson : Accounting Machine [16.62%]
Patent:12256799 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [6.54%]
Patent:12264406 17.01.2011 E. A. Ravenscroft : Reset Slide Rule [3.59%]
Patent:12267890 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [12.88%]
Patent:12270573 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [7.09%]
Patent:12277643 17.01.2011 M. P. Holmes : Speed Controlling Mechansim [8.03%]
Patent:12279474 17.01.2011 Machado, Antony (P) Friden (P) : Calculating Machine [5.89%]
Patent:12279481 17.01.2011 Moody, John L. (P) Friden (P) : Calculating Machine [10.73%]
Patent:12280920 17.01.2011 Landsiedel, W.W. Remington Rand (P) Inc.. : Computing Machine [10.67%]
Patent:12282029 17.01.2011 Bryce, James (P) : Recording Device [8.01%]
Patent:12287151 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [3.46%]
Patent:12294111 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [13.16%]
Patent:12294948 17.01.2011 Avery, Harold (P) Marchant (P) Calculating Machine Co., CA : Calculating Machine [6.64%]
Patent:12301033 17.01.2011 A. C. Findlay : Calculating Device [6.65%]
Patent:12310281 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [18.82%]
Patent:12311354 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [11.77%]
Patent:12313817 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [10.17%]
Patent:12315780 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [6.45%]
Patent:12325388 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [6.64%]
Patent:12327704 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [7.06%]
Patent:12327981 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [6.72%]
Patent:12329649 17.01.2011 N. B. Pinyan Friden (P) : Calculating Machine [17.79%]
Patent:12330512 17.01.2011 Moody, John L. (P) Friden (P) : Calculating Machine [5.99%]
Patent:12331829 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Carriage Shift Mech for Calculating Machines [10.05%]
Patent:12331967 17.01.2011 H. Ernst et al Cincinnati Milling Machine Co. : Calculating Device [3.32%]
Patent:12333234 17.01.2011 Boyden, Robert E. (P) et al Marchant (P) : Calculating Machine [12.97%]
Patent:12334431 17.01.2011 Moody, John L. (P) Friden (P) : Calculating Machine [10.72%]
Patent:12334725 17.01.2011 A. M. Perkins : Calculating Instrument [3.74%]
Patent:12335226 17.01.2011 Avery, Harold (P) Marchant (P) Calculating Machine Co., CA : Calculating Machine [6.21%]
Patent:12343241 17.01.2011 Moody, John L. (P) Friden (P) : Calculating Machine [6.51%]
Patent:12352376 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [12.44%]
Patent:12357940 17.01.2011 M. A. Du Lude : Counting Device [6.22%]
Patent:12358309 17.01.2011 Batori, Oscar Eugene (P) : Slide Rule [6.19%]
Patent:12358478 17.01.2011 B. Sassen : Rotary Slide Rule [8.28%]
Patent:12358479 17.01.2011 B. Sassen : Rotary Slide Rule [5.97%]
Patent:12360704 17.01.2011 Moody, John L. (P) Friden (P) : Calculating Machine [13.39%]
Patent:12363737 17.01.2011 Machado, Antony (P) Friden (P) : Calculating Machine [11.38%]
Patent:12365874 17.01.2011 Hillgren, Gustaf Hilarius (P) Addo (P) : Computing Machine [10.85%]
Patent:12366345 17.01.2011 Machado, Antony (P) Friden (P) : Revolution Counter Control [6.23%]
Patent:12366429 17.01.2011 Avery, Harold (P) Marchant (P) : Carriage Shift Control Mechanism [14.50%]
Patent:12371752 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [7.33%]
Patent:12376108 17.01.2011 M. J. Zucrow : Integrator [3.40%]
Patent:12380642 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Centralizing Mechanism [12.81%]
Patent:12388211 17.01.2011 Machado, Antony (P) Friden (P) : Constant Multiplier Control [11.14%]
Patent:12389394 17.01.2011 A. H. Thomas : Electric Mathematical Educational Appliance [3.30%]
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