using discharge tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    3541427

    • Patent number 3,541,427
    • Issue date Nov 17, 1970
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3368136

    • Patent number 3,368,136
    • Issue date Feb 6, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3346794

    • Patent number 3,346,794
    • Issue date Oct 10, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3337788

    • Patent number 3,337,788
    • Issue date Aug 22, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3274482

    • Patent number 3,274,482
    • Issue date Sep 20, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3268794

    • Patent number 3,268,794
    • Issue date Aug 23, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3246228

    • Patent number 3,246,228
    • Issue date Apr 12, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3102223

    • Patent number 3,102,223
    • Issue date Aug 27, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2818533

    • Patent number 2,818,533
    • Issue date Dec 31, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2709913

    • Patent number 2,709,913
    • Issue date Jun 7, 1955
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2707258

    • Patent number 2,707,258
    • Issue date Apr 26, 1955
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2704820

    • Patent number 2,704,820
    • Issue date Mar 22, 1955
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2686261

    • Patent number 2,686,261
    • Issue date Aug 10, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2676297

    • Patent number 2,676,297
    • Issue date Apr 20, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2674714

    • Patent number 2,674,714
    • Issue date Apr 6, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2587151

    • Patent number 2,587,151
    • Issue date Feb 26, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2586498

    • Patent number 2,586,498
    • Issue date Feb 19, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2497055

    • Patent number 2,497,055
    • Issue date Feb 7, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2490290

    • Patent number 2,490,290
    • Issue date Dec 6, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2484866

    • Patent number 2,484,866
    • Issue date Oct 18, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2447111

    • Patent number 2,447,111
    • Issue date Aug 17, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2447133

    • Patent number 2,447,133
    • Issue date Aug 17, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442257

    • Patent number 2,442,257
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442260

    • Patent number 2,442,260
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442258

    • Patent number 2,442,258
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442262

    • Patent number 2,442,262
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442263

    • Patent number 2,442,263
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442259

    • Patent number 2,442,259
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2442261

    • Patent number 2,442,261
    • Issue date May 25, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2440476

    • Patent number 2,440,476
    • Issue date Apr 27, 1948
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents