Joseph A. Rybczyk

Person

  • Warminster, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Man-powered propulsion device

    • Patent number 5,090,928
    • Issue date Feb 25, 1992
    • Joseph A. Rybczyk
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT