TREA

Diver Designed Equipment

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weight belt for underwater diving
    • Patent number 4,732,305
    • Issue date Mar 22, 1988
    • Diver Designed Equipment
    • William L. Courtney
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT