TREA

William W. Entzminger

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  • Richardson, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable ratio lever arm mechanism
    • Patent number 4,841,799
    • Issue date Jun 27, 1989
    • William W. Entzminger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable ratio lever arm mechanism
    • Patent number 4,721,007
    • Issue date Jan 26, 1988
    • William W. Entzminger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES