Patent
Suchergebnisse für: CALENDARS
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Patent:GB108091
17.11.1916 Vicik, P. : Counters and Calendars [13.37%]
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Patent:GB143631
26.02.1919 Thompson, S. P. : Calendars and Date Indicators [61.26%]
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Patent:GB190019018
27.02.1901 Juliet Hunt : Improvements in Date Calculators or Calendars [62.72%]
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Patent:GB190926143
26.05.1910 Mills, William : Improvements in Perpetual Calendars [63.39%]
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Patent:GB191401782
10.06.1915 Pivoda, Franz (P) : Improvements in Calculating-apparatus for Determining Date Intervals [16.35%]
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Patent:GB244263
17.12.1925 Hancock, William : Improvements in and relating to Perpetual Calendars [62.06%]
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Patent:GB395904
27.07.1933 Cory Hanrott, Harcourt Handy Things Ltd. : Improvements in perpetual calendars [61.41%]
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Patent:GB451505
06.08.1936 Wright Dale, William; Irene Dale, Elcie : Improvements in and relating to perpetual calendars [56.30%]
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Patent:GB571544
29.08.1945 Robin, Osmond : Improvements in or relating to perpetual almanacs or calendars [61.41%]
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Patent:US1137273
27.04.1915 C. M. Myers & J. A. Terhorst : Pencil Calendar [11.57%]
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Patent:US1367053
01.02.1921 W. L. Jones : Perpetual Calendar [13.16%]
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Patent:US1691761
13.11.1928 T. B. Harper : Device for Computing Interest [10.36%]
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Patent:US1769759
01.07.1930 J. F. Stimson et al : Perpetual Calendar [20.34%]
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Patent:US178505
13.06.1876 Broomhall, Webb (P) : Improvement in calendars and adding-machines [62.06%]
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Patent:US201617
26.03.1878 J. Kachelman Jr. : Perpetual Time and Interest Calendar [18.33%]
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Patent:US2118354
24.05.1938 E. E. Mansur : Catamenial Calendar [14.86%]
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Patent:US2158553
16.05.1939 G. D. Rogers : Mechanical Calendar [8.58%]
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Patent:US219156
02.09.1879 Heath, John E. : Improvement in calendars [64.08%]
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Patent:US2397002
19.03.1946 Hagner Frederick H : Star identifier and celestial calculator [9.09%]
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Patent:US2768459
30.10.1956 Corbett, Carl C. : Multi-year calendars [63.39%]
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Patent:US2932104
12.04.1960 Corbett, Carl C. : Multi-year calendars [63.39%]
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Patent:US2932914
19.04.1960 Lamkin Willis L : Calendar Calculator [14.20%]
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Patent:US3017711
23.01.1962 Boggiss, Walter C. : Perpetual calendars [64.08%]
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Patent:US351131
19.10.1886 J. W. Snider : Breeding Calendar [8.65%]
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Patent:US3605307
20.09.1971 Alexander Dickson, Albert : Perpetual calendars [63.39%]
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Patent:US4187629
12.02.1980 Yamada, Yoshikazu (P) Yamada-Graphics Corp. : Perpetual and multi-year calendars [57.02%]
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Patent:US4418274
29.11.1983 Masillo Guido Masillo Guido : Slide Rule - Calendar [15.18%]
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Patent:USRE8334
16.07.1878 J. Kachelman, Jr. : Perpetual Time and Interest Calculator [12.74%]