TREA

David L. Tremain

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  • Sterling, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid sight gage cover
    • Patent number 4,561,305
    • Issue date Dec 31, 1985
    • Houdaille Industries, Inc.
    • David L. Tremain
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Automatic auxiliary jet sump pump
    • Patent number 4,060,341
    • Issue date Nov 29, 1977
    • Houdaille Industries, Inc.
    • David L. Tremain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...