using discharge tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    3094608

    • Patent number 3,094,608
    • Issue date Jun 18, 1963
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2888634

    • Patent number 2,888,634
    • Issue date May 26, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2881314

    • Patent number 2,881,314
    • Issue date Apr 7, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2869006

    • Patent number 2,869,006
    • Issue date Jan 13, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2864001

    • Patent number 2,864,001
    • Issue date Dec 9, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2834933

    • Patent number 2,834,933
    • Issue date May 13, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2823351

    • Patent number 2,823,351
    • Issue date Feb 11, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2812435

    • Patent number 2,812,435
    • Issue date Nov 5, 1957
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2658996

    • Patent number 2,658,996
    • Issue date Nov 10, 1953
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2605304

    • Patent number 2,605,304
    • Issue date Jul 29, 1952
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2590248

    • Patent number 2,590,248
    • Issue date Mar 25, 1952
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2579286

    • Patent number 2,579,286
    • Issue date Dec 18, 1951
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2577475

    • Patent number 2,577,475
    • Issue date Dec 4, 1951
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2565213

    • Patent number 2,565,213
    • Issue date Aug 21, 1951
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2561357

    • Patent number 2,561,357
    • Issue date Jul 24, 1951
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2529796

    • Patent number 2,529,796
    • Issue date Nov 14, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2525179

    • Patent number 2,525,179
    • Issue date Oct 10, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2504294

    • Patent number 2,504,294
    • Issue date Apr 18, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2483364

    • Patent number 2,483,364
    • Issue date Sep 27, 1949
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2459632

    • Patent number 2,459,632
    • Issue date Jan 18, 1949
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2351982

    • Patent number 2,351,982
    • Issue date Jun 20, 1944
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    1980816

    • Patent number 1,980,816
    • Issue date Nov 13, 1934
    • G05 - CONTROLLING REGULATING