Roger D. Spragg

Person

  • Cheltenham, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Radio direction finding

    • Patent number 4,163,978
    • Issue date Aug 7, 1979
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • Eric G. Shepherd
    • G01 - MEASURING TESTING