TREA

Brian K. Happel

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  • Bay Village, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High speed drum type processing apparatus
    • Patent number 5,046,711
    • Issue date Sep 10, 1991
    • Hall Processing Systems
    • Richard J. Merwarth
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    High speed drum processing apparatus
    • Patent number 4,813,662
    • Issue date Mar 21, 1989
    • Hall Processing Systems
    • Richard J. Merwarth
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL