TREA

Long He

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  • Prosser, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Knot-tying device and method
    • Patent number 8,573,656
    • Issue date Nov 5, 2013
    • S.S. Steiner, Inc.
    • Qin Zhang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL