Douglas Leigh Research and Development Corporation

Organization

  • New York, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Water sports wheel

    • Patent number 3,934,291
    • Issue date Jan 27, 1976
    • Douglas Leigh Research and Development Corporation
    • Frederic Hagen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT