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Patent:US4132348
02.01.1979 Bromberg, Howard M. (Bronx, NY) : Slide calculator and method
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Patent:US4134006
09.01.1979 Willard F. Gordon : Navigational wind effect computer for aircraft
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Patent:US4137448
30.01.1979 William J. Smith : Putting stroke calculator
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13.02.1979 Frost, Richard B.; Juhasz, Joseph L.; Wing, Barry W. Unisearch Ltd. : Navigational aid
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20.02.1979 Kichinosuke Tatai : Biorhythm scale
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27.02.1979 US NAVY : Bowden wire substitute mechanism
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13.03.1979 Lincoln L. Sanders : Biorhythm calculator
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27.03.1979 Pointner Jacqueline E K Pointner Jacqueline E K : Fly leader Slide Rule guide
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10.04.1979 Simon, Morris : Circular sliderule improvement
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17.04.1979 Huff, Gerald B. (340 Milledge Cir., Athens, GA 30606) : Digital instant schedule computer
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24.04.1979 Grundman, Aharon P. : Instrument for tracing curved figures particularly ellipses
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15.05.1979 US NAVY : Coding and decoding machine
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Patent:US4166510
04.09.1979 Hege, Paul H. (Rte. 2, Box 353, Hagerstown, MD 21740) : Continuous automatic weighing conveyor for flowable solids
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02.10.1979 Sin, Lin : Ellipsograph
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16.10.1979 Mikulin, Tom T. (1469 Bellevue Ave., Burlingame, CA 94010) : Universal compass
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04.12.1979 Devanney, Mary T. (2665 Section Rd., Cincinnati, OH 45237) : Numbers teaching aid
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18.12.1979 James T. Chester : Apparatus to indicate bio-rhythm curves
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09.10.1979 Hackemann, William (P) : Metric Converter Slide Rule
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Patent:USD253115
09.10.1979 Hackemann, William (P) : Metric Converter Slide Rule