by mechanical interrupter

Patents Grantslast 30 patents

  • Information Patent Grant

    3579111

    • Patent number 3,579,111
    • Issue date May 18, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3444489

    • Patent number 3,444,489
    • Issue date May 13, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    2747092

    • Patent number 2,747,092
    • Issue date May 22, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2281495

    • Patent number 2,281,495
    • Issue date Apr 28, 1942
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2270479

    • Patent number 2,270,479
    • Issue date Jan 20, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2203417

    • Patent number 2,203,417
    • Issue date Jun 4, 1940
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1977939

    • Patent number 1,977,939
    • Issue date Oct 23, 1934
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1956353

    • Patent number 1,956,353
    • Issue date Apr 24, 1934
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1904494

    • Patent number 1,904,494
    • Issue date Apr 18, 1933
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1885118

    • Patent number 1,885,118
    • Issue date Nov 1, 1932
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1862608

    • Patent number 1,862,608
    • Issue date Jun 14, 1932
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1854267

    • Patent number 1,854,267
    • Issue date Apr 19, 1932
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1794669

    • Patent number 1,794,669
    • Issue date Mar 3, 1931
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1757704

    • Patent number 1,757,704
    • Issue date May 6, 1930
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1717094

    • Patent number 1,717,094
    • Issue date Jun 11, 1929
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1569481

    • Patent number 1,569,481
    • Issue date Jan 12, 1926
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1545523

    • Patent number 1,545,523
    • Issue date Jul 14, 1925
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1543475

    • Patent number 1,543,475
    • Issue date Jun 23, 1925
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1484269

    • Patent number 1,484,269
    • Issue date Feb 19, 1924
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1247759

    • Patent number 1,247,759
    • Issue date Nov 27, 1917
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1201702

    • Patent number 1,201,702
    • Issue date Oct 17, 1916
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1190244

    • Patent number 1,190,244
    • Issue date Jul 4, 1916
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    986039

    • Patent number 986,039
    • Issue date Mar 7, 1911
    • H03 - BASIC ELECTRONIC CIRCUITRY