TREA

Wenqian Han

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  • Montreal, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weight change indicating apparatus
    • Patent number 7,337,580
    • Issue date Mar 4, 2008
    • Kehan Han
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    WEIGHT CHANGE INDICATING APPARATUS
    • Publication number 20060107591
    • Publication date May 25, 2006
    • Kehan Han
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING