TREA

Harold L. Walker

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  • Dunedin, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable gear ratio/speed drive
    • Patent number 4,750,376
    • Issue date Jun 14, 1988
    • Harold L. Walker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic variable speed transmission
    • Patent number 4,642,070
    • Issue date Feb 10, 1987
    • Nolte, Jr.; Albert C.
    • Harold L. Walker
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS