TREA

John Kobzan

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  • Glenview, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diving regulator
    • Patent number 4,140,112
    • Issue date Feb 20, 1979
    • Dacor Corporation
    • John Kobzan
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Constant volume buoyancy compensation system
    • Patent number 4,068,657
    • Issue date Jan 17, 1978
    • Dacor Corporation
    • John Kobzan
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT