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Roland C. Gardner

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  • Doylestown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for making spiral wound sleeves for printing c...
    • Patent number 5,458,708
    • Issue date Oct 17, 1995
    • E. I. Du Pont de Nemours and Company
    • Roland C. Gardner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for making spiral wound sleeves for printing c...
    • Patent number 5,425,693
    • Issue date Jun 20, 1995
    • E. I. Du Pont de Nemours and Company
    • Roland C. Gardner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Packaging system and corner post therefor
    • Patent number 4,483,444
    • Issue date Nov 20, 1984
    • Clevepost, Inc.
    • Roland C. Gardner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Support and cushioning tube
    • Patent number 4,482,054
    • Issue date Nov 13, 1984
    • Clevepost, Inc.
    • Roland C. Gardner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container seam
    • Patent number 4,293,090
    • Issue date Oct 6, 1981
    • Clevepak Corporation
    • Roland C. Gardner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Resealable container device
    • Patent number 4,081,106
    • Issue date Mar 28, 1978
    • Clevepak Corporation
    • Roland C. Gardner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL