TREA

Mark D. Belser

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  • Long Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-closing sealable valve bag
    • Patent number 6,092,930
    • Issue date Jul 25, 2000
    • Stone Container Corporation
    • Robert G. Kelley
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-closing sealable valve bag
    • Patent number 5,806,982
    • Issue date Sep 15, 1998
    • Stone Container Corporation
    • Robert G. Kelley
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-closing sealable valve bag
    • Patent number 5,516,210
    • Issue date May 14, 1996
    • Stone Container Corporation
    • Robert G. Kelley
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL