TREA

William L. Chase

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible container
    • Patent number 10,273,070
    • Issue date Apr 30, 2019
    • Paper Systems, Inc.
    • David W. Perkins
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Fluent container
    • Patent number 5,353,982
    • Issue date Oct 11, 1994
    • Paper Systems, Inc.
    • David W. Perkins
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Apparatus for securing contained material
    • Patent number 5,340,180
    • Issue date Aug 23, 1994
    • Paper Systems, Inc.
    • William L. Chase
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for using container and lid
    • Patent number 4,208,954
    • Issue date Jun 24, 1980
    • International Drum Corporation
    • William L. Chase
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for folding a polygonal container
    • Patent number 4,195,555
    • Issue date Apr 1, 1980
    • International Drum Corporation
    • William L. Chase
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL