Ralph W. Mann

Person

  • Washington, DC, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Mine firing control system

    • Patent number 4,185,552
    • Issue date Jan 29, 1980
    • The United States of America as represented by the Secretary of the Navy
    • Whitman D. Mounce
    • F42 - AMMUNITION BLASTING