Michael Gram

Person

  • Oxnard, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Marker buoy with self retracting line

    • Patent number 4,808,133
    • Issue date Feb 28, 1989
    • Austin; James
    • Michael Gram
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT