TREA

Homer R. Graber

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  • Pretty Prairie, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Header height valve
    • Patent number 4,283,996
    • Issue date Aug 18, 1981
    • The Cessna Aircraft Company
    • Alan D. Jackson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve
    • Patent number 4,037,410
    • Issue date Jul 26, 1977
    • The Cessna Aircraft Company
    • Alan D. Jackson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL