David C. Sparks

Person

  • Lansing, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Buoyancy control system

    • Patent number 5,379,267
    • Issue date Jan 3, 1995
    • Sparton Corporation
    • David C. Sparks
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT