for discharge tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    2922080

    • Patent number 2,922,080
    • Issue date Jan 19, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2768289

    • Patent number 2,768,289
    • Issue date Oct 23, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2612629

    • Patent number 2,612,629
    • Issue date Sep 30, 1952
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2537383

    • Patent number 2,537,383
    • Issue date Jan 9, 1951
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2490562

    • Patent number 2,490,562
    • Issue date Dec 6, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2460456

    • Patent number 2,460,456
    • Issue date Feb 1, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2036287

    • Patent number 2,036,287
    • Issue date Apr 7, 1936
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1691395

    • Patent number 1,691,395
    • Issue date Nov 13, 1928
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1551970

    • Patent number 1,551,970
    • Issue date Sep 1, 1925
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER