Patent
Suchergebnisse für: Rechenscheibe
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Patent:CH182766
29.02.1936 Daemen, Walter (P) Loga (P) : Rechenscheibe
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Patent:CH189447
04.06.1936 Szymanski, Oiser (P) Homis Watch (P) : Montre
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Patent:CH204460
30.04.1939 Daemen, Walter (P) Loga (P) : Rechenscheibe
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Patent:CH524198
15.06.1972 Andree, Hans-Martin (P) Intersport Egmbh Deutsche : Kreisfoermiger Rechenschieber
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Patent:DE372432
27.03.1923 Trentmann, Hans (P) : Kreisförmiger Rechenschieber
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Patent:DE374448
24.04.1923 Trentmann, Hans (P) : Kreisförmiger Rechenschieber
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Patent:DE380852
21.09.1921 Beauvais, Gaston Claude Marie (P) : Kreisförmiger Rechenschieber
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Patent:DE389905
15.02.1924 Trentmann, Hans (P) : Kreisförmiger Rechenschieber
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Patent:DE400848
23.08.1924 Frappant (P) Akt Ges Fuer Praez S : Rechenscheibe
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Patent:DE400849
23.08.1924 Frappant (P) Akt Ges Fuer Praez S : Rechenscheibe mit stählernem Bandmass
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Patent:DE402895
25.09.1924 Aldinger, Ludwig (P) : Kreisförmiger Rechenschieber
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Patent:DE408462
20.01.1925 Frappant (P) Akt Ges Fuer Praez S : Rechenscheibe
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Patent:DE411755
01.04.1925 Frappant (P) Akt Ges Fuer Praez S : Rechenscheibe
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Patent:DE684136
03.01.1936 Sokopf, Ernst (P) : Kreisrechenschieber
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Patent:DE69309
23.07.1892 Brunner, C. (P) : Zählrad mit Spirale
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Patent:DE70131
16.12.1892 Baron von Reden, U. : Logarithmische Rechenmaschine
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Patent:DE76684
14.06.1893 Alexieff : Rechenscheibe
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Patent:FI45239B
31.12.1971 Suali Tapio Lumme : Till en rund räkneskiva hörande logaritmisk skalskiva
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Patent:FR2585149
23.01.1987 Szlachetka Regis : Circular Slide Rule (information technology use)
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Patent:GB1517976
19.07.1978 Salvia Werk : Circular Slide Rule Suitable For Use In Determining The Electrolyte Deficiency In Infusion Therapy
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Patent:GB191226162
13.11.1913 Norman, Harry (P) : Improvements in and relating to Calculating Apparatus
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Patent:GB340600
19.12.1930 John Whitworth Jones : Improvements in or relating to calculating apparatus
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Patent:GB443689
04.03.1936 Dussel, Cornelis Jan (P) & Pasveer, Jan (P) : Circular Slide Rule
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Patent:GB530527
13.12.1940 Daemen, Walter (P) : Improvements in or relating to circular Slide Rules
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Patent:GB567915
08.03.1945 John Donald MacLean : Improvements in Slide Rules and other calculators
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Patent:GB707740
21.04.1954 Harold Alexandre Babington : Improvements in or relating to circular Slide Rules for making calculations relating to speed, time, and distance
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Patent:US1039245
24.09.1912 C. A. Bishop : Calculating Instrument
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Patent:US1255939
12.02.1918 Small, Gilbert (P) : Pocket Calculator
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Patent:US1671616
29.05.1928 E. A. Sperry : Logarithmic Calculator
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Patent:US2011240
13.08.1935 Fields Norman W : Demurrage calculator
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Patent:US2117155
10.05.1938 C. Jan Dussel : Calculating Device
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Patent:US2163032
20.06.1939 A. Goldstein : Calculating Device
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Patent:US2185202
02.01.1940 L. G. Kuhlmann : Calculating Device
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Patent:US2239959
29.04.1941 L. R. Gray : Course Converter for Conveyances
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Patent:US2268886
06.01.1942 Mcnamara Frank J : Calculating Device
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Patent:US2433984
06.01.1948 Vries, G. T. de (P) : Navigation Instrument
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Patent:US2545364
13.03.1951 Kimes George B : Calculator for determining fish activity peaks
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Patent:US2658671
10.11.1953 Allias, J. M. A. (P) : Disk Slide Rule with Decimal Point Indicator
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Patent:US3282502
01.11.1966 J. N. Cayo : Withholding Tax Computer
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Patent:US338075
16.03.1886 W. D. F. Jarvis : Calculating Device
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Patent:US3473731
21.10.1969 J. J. Kurland : Speed Register
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Patent:US3654437
04.04.1972 Philip J. Wyatt et al. : Octal/Decimal Calculator
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Patent:US3654438
04.04.1972 Philip J. Wyatt et al. : Hexadecimal/Decimal Calculator
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Patent:US3843048
22.10.1974 Haase, Kurt (P) : Ruler Device for Decimal-Octal Conversion
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Patent:US4074607
21.02.1978 Bond, Charles Stephen (P) : Music Magic Circular Calculator
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Patent:US4317404
02.03.1982 Lombardo, John (P) : Musical rhythm pattern generator
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Patent:US695217
11.03.1902 Lanckton, William (P) Acme Adder Mfg (P). Co. Ltd. : Adding-machine
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Patent:US736481
18.08.1903 S. N. Betts : Mathematical Device
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Patent:US7961
04.03.1851 John W. Nystrom : circular slide rule
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Patent:US808045
19.12.1905 Cyrus A. Haas : Pocket-calculator
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Patent:US843944
12.02.1907 R. L. Hibbard : Calculating Device
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Patent:US847904
19.03.1907 F. K. Caswell : Spring Load Computer
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Patent:US922465
25.05.1909 R. H. Fenn : Calculating Device