Patent
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Patent:US4067024
03.01.1978 Peter T. Quinn Honeywell, Inc : Calculator
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Patent:US4069737
24.01.1978 John O. Andersson : Device for transfer of a conventional note system into a system indicating the position of the hand when playing string instruments
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Patent:US4071189
31.01.1978 Qureshi, Faiz Mohammad : Slide rule cursor
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Patent:US4074116
14.02.1978 Ell, William M. (5513 Trent Ct., Apt. 261, Alexandria, VA : Selector
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Patent:US4074607
21.02.1978 Bond, Charles Stephen (P) : Music Magic Circular Calculator
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Patent:US4074850
21.02.1978 Brice L. Kratzer : X-ray computer
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Patent:US4080834
28.03.1978 George A. Beauchemin, Jr. : Measurement of fuel quality and economy
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Patent:US4092191
30.05.1978 Jones, Thomas L. (617-B Hibbard Dr., Chapel Hill, NC 27514) : Speedometer scale conversion kit and method
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Patent:US4092521
30.05.1978 Manfred E. Weisshaar : Menstrual calculator
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Patent:US4096635
27.06.1978 Mcmillan, Lon M. : Navigational computer
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Patent:US4104510
01.08.1978 Clifford M. Miyashiro : Exposure correction calculator for taking close-up pictures
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Patent:US4117315
26.09.1978 Ampt, Cornelis Georg Frederik und Keimpema, Keimpe Klaas : Radioactive dose calculating device
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Patent:US4119890
10.10.1978 Kretz, Carl (Zipf, AT) : Method and equipment for measuring the distance between two points
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Patent:US4120091
17.10.1978 Borgato, Augusto : Device for estimated air navigation, obtained through the combination of various measuring and calculating instruments
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Patent:US4120451
17.10.1978 Gerald F. Stapleton : Currency converter for use with pre-established and known conversion data
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Patent:US4121759
24.10.1978 Richard T. Merkel William R. Markin Nicholson Concrete Comp. : Pavement system calculator
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Patent:US4124311
07.11.1978 US NAVY : Mechanical movements for coding machines
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Patent:US4124795
07.11.1978 Joseph LiCalsi American District Telegraph Comp. : Fire protection calculator
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Patent:US4124796
07.11.1978 Shores, Marvin W. (Pomona, CA) : Emission control calculator
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Patent:US4127941
05.12.1978 Richard L. Hoover : Means and graphical method of calculating moments of inertia
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Patent:US4131790
26.12.1978 Donald L. Rebsch : Biorhythm indicator
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Patent:USD249531
19.09.1978 Neufeld, Kurt (P) : Jacket for a Combined Photo Calculator and Digital Ruler