Patent
Suchergebnisse für: Datumsrechner
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15.10.1943 Weilenmann, Robert (P) : Rechenwalze
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16.09.1913 : Instrument pour calculer le nombre de jours compris entre deux dates données
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11.11.1992 Jiao Yu Qingdao Municipal Hospital : Multifunction Healthy Slide Rule For Pregnancy
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23.01.1906 Katz, Moses (P) : Vorrichtung zur Bestimmung der zwischen zwei Daten liegenden Tagesanzahl und der zugehörigen einem bestimmten Prozentsatz entsprechenden Zinsen
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14.11.1907 Katz, Moses (P) : Vorrichtung zur Bestimmumg der zwischen zwei Daten liegenden Tagesanzahl und der zugehörigen, einem bestimmten Prozentsatz entsprechenden Zinsen
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05.12.1918 Banwell, Ernest : A New or Improved Appliance for Calculting Workmens Wages and the like
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13.06.1919 Boggio Alfredo Santiago : Improvements in Apparatus for Calculating the Date of Expiry of a Given Period
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26.02.1919 Thompson, S. P. : Calendars and Date Indicators
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14.07.1900 Smith, Marmaduke Valentine (P) : Improved Date Calculator
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02.02.1911 Evans, Walter Jenkin (P) : Improvements in Day and Date Calculating Apparatus
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28.11.1912 Kerr David Smith : Improvements in Date Calculating Devices
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22.05.1914 Sloan, Roland Hoyt (P) : Improvements in or relating to Calculating Machines
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10.06.1915 Pivoda, Franz (P) : Improvements in Calculating-apparatus for Determining Date Intervals
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15.04.1915 Wheatley Frederick Yeld : Parturition Calculator
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17.10.1956 Otto Thalmann : Improvements in conception-calculating devices
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16.09.1980 Mazel I, Yakov Lerner : Slide Rule Calendar
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15.10.1912 A. V. Rensselaer und F. H. Tenney : Elapse Time Computer and Century Calendar Machine
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27.04.1915 C. M. Myers & J. A. Terhorst : Pencil Calendar
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13.06.1916 Nichols, John William Alfred : Date Finder
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19.11.1916 Weymouth, Thomas : Calculator
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01.02.1921 W. L. Jones : Perpetual Calendar
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26.09.1922 Brabant, Lewis : Calendar
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14.11.1922 A. S. Boggio : Calculator
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27.05.1924 W. R. Rooney : Date Calculating Chart
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31.01.1928 C. E. Turnquist : Combined Calendar Calculator and Chart
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01.07.1930 J. F. Stimson et al : Perpetual Calendar
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04.08.1931 George Jakopec Josip Samu : Magic cards and planetary calculator
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13.08.1935 Fields Norman W : Demurrage calculator
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26.03.1878 J. Kachelman Jr. : Perpetual Time and Interest Calendar
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27.08.1878 J. I. Bogue : Calculator
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24.05.1938 E. E. Mansur : Catamenial Calendar
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16.05.1939 G. D. Rogers : Mechanical Calendar
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03.06.1941 J. Cwiekalo : Computing Device for Menstruation Cycles
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22.06.1880 W. J. Gurd : Interest Calculator
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01.04.1947 Tilbrook, G. L. (P) : Rythmeter for Determining Sterility and Fertility
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07.04.1953 Higgins, F. H. (P) et al : Time and Wage Calculator
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18.08.1953 Frank Bryant Otis : Calculating Calendar
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29.11.1955 Rueff Rene H : Menstrual period calculating device
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28.05.1957 George Crowe Stanley : Calculating Devices
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01.10.1957 Juan Gomez-Rodriguez : Menstrual cycle calculating device
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21.07.1885 R. T. Sitterley : Time and Interest Indicator
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19.10.1886 J. W. Snider : Breeding Calendar
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20.08.1889 J. T. Rice : Time and Wage Indicator
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26.11.1889 B. F. Billings : Calendar
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22.07.1890 W. R. Will : Time and Date Calculator
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29.11.1983 Masillo Guido Masillo Guido : Slide Rule - Calendar
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11.08.1891 J. M. W. Hicks : Calendar
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07.07.1987 Ruble, Marshall V. (Kelley, IA) : Method and means for determining the ease with which a cow may give birth to a calv
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13.04.1897 M. J. Overell : Ready Calculator
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15.06.1897 J. L. Cathcart : Interest and Time Indicator
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01.08.1899 L. K. Sturm : Time Calculator
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12.04.2005 Bianco, Ronald : Perpetual Calendar
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14.04.1903 Finch, William : Perpetual Calendar
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05.05.1904 OSchaugnessy, Thomas (P) : Perpetual Calendar
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10.10.1905 J. L. Milton : Date Calculator
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14.09.1971 J. E. Richardson : Fertility Timing Calculator
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16.07.1878 J. Kachelman, Jr. : Perpetual Time and Interest Calculator