TREA

Douglas O. Deal

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  • Bellevue, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic tempura batter mixer
    • Patent number 4,198,167
    • Issue date Apr 15, 1980
    • Sam Stein Associates Inc.
    • Douglas O. Deal
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Leak free housing for vertical screw conveyor
    • Patent number 4,128,160
    • Issue date Dec 5, 1978
    • Sam Stein Associates, Inc.
    • Douglas O. Deal
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Filter belt construction
    • Patent number 4,081,375
    • Issue date Mar 28, 1978
    • Sam Stein Associates, Inc.
    • Douglas O. Deal
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL