using explosives

Patents Grantslast 30 patents

  • Information Patent Grant

    Work area advanced warning system

    • Patent number 4,758,826
    • Issue date Jul 19, 1988
    • Richard E. Wall
    • G08 - SIGNALLING
  • Information Patent Grant

    Intrusion alarm safety

    • Patent number 4,230,450
    • Issue date Oct 28, 1980
    • GTE Products Corporation
    • Randall H. LeFever
    • G08 - SIGNALLING
  • Information Patent Grant

    Flashlamp article having internally located combustible member

    • Patent number 4,146,356
    • Issue date Mar 27, 1979
    • GTE Sylvania Incorporated
    • Paul M. Marecek
    • G08 - SIGNALLING
  • Information Patent Grant

    Flashlamp assembly for providing highly intense audible and visual...

    • Patent number 4,130,082
    • Issue date Dec 19, 1978
    • GTE Sylvania Incorporated
    • Andre C. Bouchard
    • G08 - SIGNALLING
  • Information Patent Grant

    Activating mechanism for flashlamp article

    • Patent number 4,130,083
    • Issue date Dec 19, 1978
    • GTE Sylvania Incorporated
    • Andre C. Bouchard
    • G08 - SIGNALLING
  • Information Patent Grant

    Door-actuated activation means for flashlamp article

    • Patent number 4,116,615
    • Issue date Sep 26, 1978
    • GTE Sylvania Incorporated
    • Harold H. Hall
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    1711276

    • Patent number 1,711,276
    • Issue date Apr 30, 1929
    • G08 - SIGNALLING
  • Information Patent Grant

    772480

    • Patent number 772,480
    • Issue date Oct 18, 1904
    • G08 - SIGNALLING
  • Information Patent Grant

    622684

    • Patent number 622,684
    • Issue date Apr 11, 1899
    • G08 - SIGNALLING
  • Information Patent Grant

    606519

    • Patent number 606,519
    • Issue date Jun 28, 1898
    • G08 - SIGNALLING
  • Information Patent Grant

    528953

    • Patent number 528,953
    • Issue date Nov 13, 1894
    • G08 - SIGNALLING
  • Information Patent Grant

    450282

    • Patent number 450,282
    • Issue date Apr 14, 1891
    • G08 - SIGNALLING
  • Information Patent Grant

    437772

    • Patent number 437,772
    • Issue date Oct 7, 1890
    • G08 - SIGNALLING
  • Information Patent Grant

    413867

    • Patent number 413,867
    • Issue date Oct 29, 1889
    • G08 - SIGNALLING
  • Information Patent Grant

    409919

    • Patent number 409,919
    • Issue date Aug 27, 1889
    • G08 - SIGNALLING
  • Information Patent Grant

    386132

    • Patent number 386,132
    • Issue date Jul 17, 1888
    • G08 - SIGNALLING
  • Information Patent Grant

    366537

    • Patent number 366,537
    • Issue date Jul 12, 1887
    • G08 - SIGNALLING
  • Information Patent Grant

    286598

    • Patent number 286,598
    • Issue date Oct 16, 1883
    • G08 - SIGNALLING
  • Information Patent Grant

    230266

    • Patent number 230,266
    • Issue date Jul 20, 1880
    • G08 - SIGNALLING
  • Information Patent Grant

    225972

    • Patent number 225,972
    • Issue date Mar 30, 1880
    • G08 - SIGNALLING
  • Information Patent Grant

    224017

    • Patent number 224,017
    • Issue date Feb 3, 1880
    • G08 - SIGNALLING
  • Information Patent Grant

    222873

    • Patent number 222,873
    • Issue date Dec 23, 1879
    • G08 - SIGNALLING
  • Information Patent Grant

    222533

    • Patent number 222,533
    • Issue date Dec 9, 1879
    • G08 - SIGNALLING
  • Information Patent Grant

    195934

    • Patent number 195,934
    • Issue date Oct 9, 1877
    • G08 - SIGNALLING
  • Information Patent Grant

    193588

    • Patent number 193,588
    • Issue date Jul 24, 1877
    • G08 - SIGNALLING
  • Information Patent Grant

    193002

    • Patent number 193,002
    • Issue date Jul 10, 1877
    • G08 - SIGNALLING
  • Information Patent Grant

    183562

    • Patent number 183,562
    • Issue date Oct 24, 1876
    • G08 - SIGNALLING
  • Information Patent Grant

    175833

    • Patent number 175,833
    • Issue date Apr 11, 1876
    • G08 - SIGNALLING
  • Information Patent Grant

    175590

    • Patent number 175,590
    • Issue date Apr 4, 1876
    • G08 - SIGNALLING
  • Information Patent Grant

    170905

    • Patent number 170,905
    • Issue date Dec 7, 1875
    • G08 - SIGNALLING