Jeffrey Roper

Person

  • Everdon, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston

    • Patent number 5,267,505
    • Issue date Dec 7, 1993
    • Vickers plc
    • Jeffrey Roper
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS