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Constantine V. Pappas

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  • Philadelphia, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Watertight closure gasket insertion tool
    • Patent number 8,950,755
    • Issue date Feb 10, 2015
    • The United States of America as represented by the Secretary of the Navy
    • Robert C. Redfern
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    All purpose seal
    • Patent number 7,451,714
    • Issue date Nov 18, 2008
    • The United States of America as represented by the Secretary of the Navy
    • Robert Redfern
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watertight door hinge support
    • Patent number 7,441,308
    • Issue date Oct 28, 2008
    • The United States of America as represented by the Secretary of the Navy
    • Constantine V. Pappas
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watertight door closure
    • Patent number 6,799,396
    • Issue date Oct 5, 2004
    • The United States of America as represented by the Secretary of the Navy
    • Robert C. Redfern
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT