TREA

Harold W. Hannagan

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  • Napa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Explosive initiator and method
    • Patent number 4,688,466
    • Issue date Aug 25, 1987
    • Explosive Technology, Inc.
    • Frank B. Burkdoll
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Pyrotechnic/explosive initiator
    • Patent number 4,664,033
    • Issue date May 12, 1987
    • Explosive Technology, Inc.
    • Frank B. Burkdoll
    • C06 - EXPLOSIVES MATCHES

Patents Applicationslast 30 patents