TREA

Donald J. Hopkins

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  • Knoxville, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lifting and dumping apparatus
    • Patent number 4,349,305
    • Issue date Sep 14, 1982
    • Dempster Systems Inc.
    • Charles C. Wynn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Refuse container
    • Patent number 4,120,415
    • Issue date Oct 17, 1978
    • Carrier Corporation
    • Donald J. Hopkins
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Refuse container
    • Patent number 4,044,914
    • Issue date Aug 30, 1977
    • Carrier Corporation
    • Donald J. Hopkins
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL