Rail or leak indicator

Patents Grantslast 30 patents

  • Information Patent Grant

    Water level alarm

    • Patent number 6,480,113
    • Issue date Nov 12, 2002
    • David W. Esposito
    • G08 - SIGNALLING
  • Information Patent Grant

    Rainfall responsive switch construction

    • Patent number 4,970,356
    • Issue date Nov 13, 1990
    • Gary T. Amos
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3794847

    • Patent number 3,794,847
    • Issue date Feb 26, 1974
    • B60 - VEHICLES IN GENERAL
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    3442217

    • Patent number 3,442,217
    • Issue date May 6, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2617972

    • Patent number 2,617,972
    • Issue date Nov 11, 1952
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    1881878

    • Patent number 1,881,878
    • Issue date Oct 11, 1932
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    1548366

    • Patent number 1,548,366
    • Issue date Aug 4, 1925
    • G01 - MEASURING TESTING
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    1536393

    • Patent number 1,536,393
    • Issue date May 5, 1925
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1327262

    • Patent number 1,327,262
    • Issue date Jan 6, 1920
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1306702

    • Patent number 1,306,702
    • Issue date Jun 17, 1919
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    1285986

    • Patent number 1,285,986
    • Issue date Nov 26, 1918
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1280116

    • Patent number 1,280,116
    • Issue date Sep 24, 1918
    • H01 - BASIC ELECTRIC ELEMENTS
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    1262391

    • Patent number 1,262,391
    • Issue date Apr 9, 1918
    • H01 - BASIC ELECTRIC ELEMENTS
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    1237470

    • Patent number 1,237,470
    • Issue date Aug 21, 1917
    • G01 - MEASURING TESTING
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    1236381

    • Patent number 1,236,381
    • Issue date Aug 7, 1917
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1153314

    • Patent number 1,153,314
    • Issue date Sep 14, 1915
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    759449

    • Patent number 759,449
    • Issue date May 10, 1904
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents