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David B. Kochan

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  • Mississauga, CA
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Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing assembly
    • Publication number 20050109444
    • Publication date May 26, 2005
    • Skymark Packaging Systems Inc.
    • David B. Kochan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL