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Stephen C. Keppel

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  • Ridgefield, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vented bag
    • Patent number 4,550,441
    • Issue date Oct 29, 1985
    • St. Regis Paper Company
    • Stephen C. Keppel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multiwall cooler bag
    • Patent number 4,521,910
    • Issue date Jun 4, 1985
    • St. Regis Corporation
    • Stephen C. Keppel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL