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Donald P. Chisholm Jr.

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  • Merrimac, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vari-gap drive system for box folders and the like
    • Patent number 4,759,741
    • Issue date Jul 26, 1988
    • Specialty Equipment Corporation
    • Donald P. Chisholm
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cage roll assembly
    • Patent number 4,696,392
    • Issue date Sep 29, 1987
    • Specialty Equipment Corporation
    • Donald P. Chisholm
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL