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

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H05B31/003of a special type
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Patents Grantslast 30 patents

  • Information Patent Grant

    3385962
    • Patent number 3,385,962
    • Issue date May 28, 1968
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3330987
    • Patent number 3,330,987
    • Issue date Jul 11, 1967
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3304460
    • Patent number 3,304,460
    • Issue date Feb 14, 1967
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3244931
    • Patent number 3,244,931
    • Issue date Apr 5, 1966
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3104066
    • Patent number 3,104,066
    • Issue date Sep 17, 1963
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2928991
    • Patent number 2,928,991
    • Issue date Mar 15, 1960
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2785333
    • Patent number 2,785,333
    • Issue date Mar 12, 1957
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2716717
    • Patent number 2,716,717
    • Issue date Aug 30, 1955
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

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

    2681983
    • Patent number 2,681,983
    • Issue date Jun 22, 1954
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2673289
    • Patent number 2,673,289
    • Issue date Mar 23, 1954
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2663792
    • Patent number 2,663,792
    • Issue date Dec 22, 1953
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2650292
    • Patent number 2,650,292
    • Issue date Aug 25, 1953
    • F21 - LIGHTING
  • Information Patent Grant

    2620373
    • Patent number 2,620,373
    • Issue date Dec 2, 1952
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2454957
    • Patent number 2,454,957
    • Issue date Nov 30, 1948
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2450477
    • Patent number 2,450,477
    • Issue date Oct 5, 1948
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2374497
    • Patent number 2,374,497
    • Issue date Apr 24, 1945
    • 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

    2270099
    • Patent number 2,270,099
    • Issue date Jan 13, 1942
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2241179
    • Patent number 2,241,179
    • Issue date May 6, 1941
    • 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

    2205067
    • Patent number 2,205,067
    • Issue date Jun 18, 1940
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2204079
    • Patent number 2,204,079
    • Issue date Jun 11, 1940
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2200483
    • Patent number 2,200,483
    • Issue date May 14, 1940
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2158886
    • Patent number 2,158,886
    • Issue date May 16, 1939
    • 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

    2107148
    • Patent number 2,107,148
    • Issue date Feb 1, 1938
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2097767
    • Patent number 2,097,767
    • Issue date Nov 2, 1937
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents