TREA

Charles D. Keyser

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  • Gorham, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vented reclosable bag
    • Patent number 6,010,244
    • Issue date Jan 4, 2000
    • Tenneco Packaging Inc.
    • David V. Dobreski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vented reclosable bag
    • Patent number 5,911,508
    • Issue date Jun 15, 1999
    • David V. Dobreski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL