TREA

Christian J. John

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  • Downers Grove, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for making tamper-evident closures
    • Patent number 4,881,892
    • Issue date Nov 21, 1989
    • American National Can Company
    • Charles A. Webster
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Linerless cap closure
    • Patent number 4,878,589
    • Issue date Nov 7, 1989
    • American National Can Company
    • Charles Webster
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Linerless cap closure
    • Patent number 4,741,447
    • Issue date May 3, 1988
    • American National Can Company
    • Christian J. John
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL