David Gruenwald

Person

  • Allentown, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vessel propulsion

    • Patent number 7,878,136
    • Issue date Feb 1, 2011
    • Brooks Stevens Design Associates, Inc.
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine vessel propulsion drive module

    • Patent number 7,878,874
    • Issue date Feb 1, 2011
    • Brooks Stevens Design Associates, Inc.
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Surface piercing propeller tunnel

    • Patent number 7,594,835
    • Issue date Sep 29, 2009
    • Brooks Stevens Design Associates, Inc.
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Marine vessel propulsion drive module

    • Publication number 20090047847
    • Publication date Feb 19, 2009
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Surface piercing propeller tunnel

    • Publication number 20080214067
    • Publication date Sep 4, 2008
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Vessel propulsion

    • Publication number 20080200081
    • Publication date Aug 21, 2008
    • David Gruenwald
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT