TREA

Frank N. Alexander

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  • Hutchinson, 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

    Flow control valve
    • Patent number 4,254,687
    • Issue date Mar 10, 1981
    • The Cessna Aircraft Company
    • Frank N. Alexander
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydrostatic transmission with oscillating output
    • Patent number 3,996,806
    • Issue date Dec 14, 1976
    • The Cessna Aircraft Company
    • Frank N. Alexander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...