TREA

Edward C. Ryan

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  • Ankeny, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Load responsive drive mechanism
    • Patent number 4,276,037
    • Issue date Jun 30, 1981
    • Deere & Company
    • Edward C. Ryan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Feed grinding and mixing apparatus
    • Patent number 4,201,348
    • Issue date May 6, 1980
    • Deere & Company
    • Marvin L. Bigbee
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Stack feeding apparatus
    • Patent number 4,037,740
    • Issue date Jul 26, 1977
    • Deere & Company
    • William Robert Wood
    • B60 - VEHICLES IN GENERAL