TREA

J. Donaldson Thomas

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  • Simsbury, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Detonator packaging system
    • Patent number 5,494,152
    • Issue date Feb 27, 1996
    • The Ensign-Bickford Company
    • Brian R. Sobczak
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Shock tube assembly
    • Patent number 5,413,046
    • Issue date May 9, 1995
    • The Ensign-Bickford Company
    • Brian R. Sobczak
    • C06 - EXPLOSIVES MATCHES