TREA

Douglas D. DeMasi

Follow

Person

  • Hopewell Junction, NY, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Bumper ball
    • Patent number 5,921,834
    • Issue date Jul 13, 1999
    • Douglas Builders, Inc.
    • Douglas D. DeMasi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Protector against submerged objects
    • Patent number 5,399,113
    • Issue date Mar 21, 1995
    • Douglas Builders, Inc.
    • Douglas D. DeMasi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents