Richard D. Rechtien

Person

  • Rolla, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    High-frequency borehole seismic source

    • Patent number 5,305,287
    • Issue date Apr 19, 1994
    • The United States of America as represented by the Secretary of the Army
    • Robert F. Ballard
    • G01 - MEASURING TESTING