TREA

Barry Campbell

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  • Spokane, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Holder assembly for case packing machine
    • Patent number 4,300,325
    • Issue date Nov 17, 1981
    • R. A. Pearson Company
    • Barry Campbell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Case packing machine
    • Patent number 4,277,932
    • Issue date Jul 14, 1981
    • R. A. Pearson Company
    • Barry Campbell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Case packing machine
    • Patent number 4,259,826
    • Issue date Apr 7, 1981
    • R. A. Pearson Co.
    • Barry D. Campbell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL