Thomas A. Lingenfelter

Person

  • Garden Grove, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Breathing regulator mouthpiece

    • Patent number 4,683,881
    • Issue date Aug 4, 1987
    • U.S.D. Corp.
    • Harmon R. Hansen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT