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Projectors, the construction of which depends upon the presence of the arc

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  • H05B31/0039
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HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR H05B31/00Electric arc lamps

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H05B31/0039Projectors, the construction of which depends upon the presence of the arc
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Patents Grantslast 30 patents

  • Information Patent Grant

    2716183
    • Patent number 2,716,183
    • Issue date Aug 23, 1955
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2277806
    • Patent number 2,277,806
    • Issue date Mar 31, 1942
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2238918
    • Patent number 2,238,918
    • Issue date Apr 22, 1941
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2208613
    • Patent number 2,208,613
    • Issue date Jul 23, 1940
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2134847
    • Patent number 2,134,847
    • Issue date Nov 1, 1938
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2130846
    • Patent number 2,130,846
    • Issue date Sep 20, 1938
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2062419
    • Patent number 2,062,419
    • Issue date Dec 1, 1936
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2055680
    • Patent number 2,055,680
    • Issue date Sep 29, 1936
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2051377
    • Patent number 2,051,377
    • Issue date Aug 18, 1936
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2023475
    • Patent number 2,023,475
    • Issue date Dec 10, 1935
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2000760
    • Patent number 2,000,760
    • Issue date May 7, 1935
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1995144
    • Patent number 1,995,144
    • Issue date Mar 19, 1935
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1991744
    • Patent number 1,991,744
    • Issue date Feb 19, 1935
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1983430
    • Patent number 1,983,430
    • Issue date Dec 4, 1934
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1929159
    • Patent number 1,929,159
    • Issue date Oct 3, 1933
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1892898
    • Patent number 1,892,898
    • Issue date Jan 3, 1933
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1837897
    • Patent number 1,837,897
    • Issue date Dec 22, 1931
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1785950
    • Patent number 1,785,950
    • Issue date Dec 23, 1930
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1767526
    • Patent number 1,767,526
    • Issue date Jun 24, 1930
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1761668
    • Patent number 1,761,668
    • Issue date Jun 3, 1930
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1735667
    • Patent number 1,735,667
    • Issue date Nov 12, 1929
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1718927
    • Patent number 1,718,927
    • Issue date Jun 25, 1929
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1715783
    • Patent number 1,715,783
    • Issue date Jun 4, 1929
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1711983
    • Patent number 1,711,983
    • Issue date May 7, 1929
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1677521
    • Patent number 1,677,521
    • Issue date Jul 17, 1928
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1671805
    • Patent number 1,671,805
    • Issue date May 29, 1928
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1645966
    • Patent number 1,645,966
    • Issue date Oct 18, 1927
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1642436
    • Patent number 1,642,436
    • Issue date Sep 13, 1927
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1634663
    • Patent number 1,634,663
    • Issue date Jul 5, 1927
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1632131
    • Patent number 1,632,131
    • Issue date Jun 14, 1927
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents