Patent
Suchergebnisse für: Kreisrechner
-
Patent:CH241232
28.02.1946 Lafleur, Hendricus Johannes Hubertus : Rechenmaschine.
-
Patent:DE272105
20.07.1912 Rovere, Ferruccio (P) : Additionsmaschine
-
Patent:DE318585
09.08.1918 Korn, Armin (P) : Rechenmaschine
-
Patent:DE69309
23.07.1892 Brunner, C. (P) : Zählrad mit Spirale
-
Patent:DE7145863U
14.03.1974 Kundisch, Heinrich (P) : Kolorien-Zähler
-
Patent:GB190705779
10.10.1907 Dreyfus, Armand Albert Abraham (P) und Levy, Alfred Henry Victor (P) : A New or Improved Calculating Machine
-
Patent:GB190900621
18.03.1909 Dreyfus, Armand Albert Abraham (P) und Levy, Alfred Henry Victor (P) : Improvements in Calculating Machines
-
Patent:US1012660
26.12.1911 G. Lange : Calculating Device
-
Patent:US106701
23.08.1870 F. T. Leilich : Adding Machine
-
Patent:US110520
27.12.1870 F.F. Warner : Adding Machine
-
Patent:US117169
18.07.1871 E. M. Hamilton : Adding Machine
-
Patent:US11726
26.09.1854 Aaron L. Hatfield, Lewisburgh, Pa. : Machines for adding numbers
-
Patent:US1188108
20.06.1916 W. H. Smith : Calculating Machine
-
Patent:US1423896
25.07.1922 W. L. Wyckoff : Calculating Rule
-
Patent:US1447309
06.03.1923 S. V. Johnson : Calculating Device
-
Patent:US1487069
18.03.1924 J. L. Landenberger : Adding Machine
-
Patent:US1498309
17.06.1924 W. H. Smith : Calculating Machine
-
Patent:US155772
06.10.1874 Taylor, E.W. (P) : adding machine
-
Patent:US1774177
26.08.1930 E. Harris : Calculating Device
-
Patent:US1803185
28.04.1931 M. P. Hendricks : Calculating Device
-
Patent:US199289
15.01.1878 William Hart : Calculator
-
Patent:US2048819
28.07.1936 A. E. Russ : Computing Apparatus
-
Patent:US2187496
16.01.1940 W. Hess : Adding and Subtracting Device
-
Patent:US222126
02.12.1879 Briggs, William M. (P) : adding machine
-
Patent:US2237873
08.04.1941 F. J. Barok : Calculating Device
-
Patent:US2313021
02.03.1943 Jan Robitschek : Calculator
-
Patent:US338075
16.03.1886 W. D. F. Jarvis : Calculating Device
-
Patent:US369998
13.09.1887 E. W. Vest : Adding Machine
-
Patent:US437889
07.10.1890 Fowler, C.W. (P) : Adding Machine
-
Patent:US476350
07.06.1892 J. W. Wright : Adding Machine
-
Patent:US510927
19.12.1893 W. A. Neal : Adding and Registering Machine
-
Patent:US73732
28.01.1868 Alonzo Johnson, Springfield, Mass., assignor to Sylvester Bissell and Andrew B. West, Hartford,Conn. : Calculating-apparatus
-
Patent:US986416
07.03.1911 Young, George T. Rice und Hutchins, Inc. : Advertising adding-pocket