with electromagnetically-operated vibrating contacts

Patents Grantslast 30 patents

  • Information Patent Grant

    3477016

    • Patent number 3,477,016
    • Issue date Nov 4, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3439300

    • Patent number 3,439,300
    • Issue date Apr 15, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3416064

    • Patent number 3,416,064
    • Issue date Dec 10, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3325718

    • Patent number 3,325,718
    • Issue date Jun 13, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3275781

    • Patent number 3,275,781
    • Issue date Sep 27, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3185913

    • Patent number 3,185,913
    • Issue date May 25, 1965
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    3026486

    • Patent number 3,026,486
    • Issue date Mar 20, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2998562

    • Patent number 2,998,562
    • Issue date Aug 29, 1961
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2980841

    • Patent number 2,980,841
    • Issue date Apr 18, 1961
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2959723

    • Patent number 2,959,723
    • Issue date Nov 8, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2946874

    • Patent number 2,946,874
    • Issue date Jul 26, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2932780

    • Patent number 2,932,780
    • Issue date Apr 12, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2906837

    • Patent number 2,906,837
    • Issue date Sep 29, 1959
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2888631

    • Patent number 2,888,631
    • Issue date May 26, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2875397

    • Patent number 2,875,397
    • Issue date Feb 24, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2870394

    • Patent number 2,870,394
    • Issue date Jan 20, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2845587

    • Patent number 2,845,587
    • Issue date Jul 29, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2843819

    • Patent number 2,843,819
    • Issue date Jul 15, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2830200

    • Patent number 2,830,200
    • Issue date Apr 8, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2828462

    • Patent number 2,828,462
    • Issue date Mar 25, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2820910

    • Patent number 2,820,910
    • Issue date Jan 21, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2817803

    • Patent number 2,817,803
    • Issue date Dec 24, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2811688

    • Patent number 2,811,688
    • Issue date Oct 29, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2799001

    • Patent number 2,799,001
    • Issue date Jul 9, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2796578

    • Patent number 2,796,578
    • Issue date Jun 18, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2773946

    • Patent number 2,773,946
    • Issue date Dec 11, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2763829

    • Patent number 2,763,829
    • Issue date Sep 18, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2754466

    • Patent number 2,754,466
    • Issue date Jul 10, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2745999

    • Patent number 2,745,999
    • Issue date May 15, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2738447

    • Patent number 2,738,447
    • Issue date Mar 13, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER