TREA

Roger D. Vrooman

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  • Newport News, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Freezer storage bag
    • Patent number 6,550,966
    • Issue date Apr 22, 2003
    • S. C. Johnson Home Storage, Inc.
    • Zain E. M. Saad
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Functional freezer storage bag
    • Patent number 5,804,265
    • Issue date Sep 8, 1998
    • S. C. Johnson Home Storage Inc.
    • Zain E. M. Saad
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of making a stand-up plastic bag
    • Patent number 5,080,643
    • Issue date Jan 14, 1992
    • Dow Brands Inc.
    • David W. Mitchell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of making a stand-up plastic bag
    • Patent number 4,997,416
    • Issue date Mar 5, 1991
    • Dow Brands Inc.
    • David W. Mitchell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Stand-up plastic bag and method of making same
    • Patent number 4,954,124
    • Issue date Sep 4, 1990
    • The Dow Chemical Company
    • Laurence R. Erickson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Stand-up plastic bag and method of making same
    • Patent number 4,837,849
    • Issue date Jun 6, 1989
    • The Dow Chemical Company
    • Laurence R. Erickson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL