Robert L. Hubbard

Person

  • Mount Vernon, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine

    • Patent number 4,306,526
    • Issue date Dec 22, 1981
    • Cooper Industries, Inc.
    • Fred S. Schaub
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS