TREA

William C. Perchak

Follow

Person

  • Chicago, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Closure for pourable materials container
    • Patent number 4,819,829
    • Issue date Apr 11, 1989
    • Plastofilm Industries, Inc.
    • David B. Rosten
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Stand-up or hanging display blister and package
    • Patent number 4,784,268
    • Issue date Nov 15, 1988
    • Plastofilm Industries, Inc.
    • William C. Perchak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container with integral closure
    • Patent number 4,505,404
    • Issue date Mar 19, 1985
    • Plastofilm Industries, Inc.
    • William C. Perchak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL