TREA

John R. Thompson

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  • Kingston, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reuseable pouch fitment
    • Patent number 5,497,909
    • Issue date Mar 12, 1996
    • Du Pont Canada Inc.
    • Ralph C. Wirsig
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Self voiding jaw for packaging machine
    • Patent number 5,247,779
    • Issue date Sep 28, 1993
    • Du Pont Canada Inc.
    • Ralph C. Wirsig
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL