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Alex Chen

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  • SuZhou City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic center shredder disc
    • Patent number 7,637,448
    • Issue date Dec 29, 2009
    • Fellowes, Inc.
    • David Hartnett
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    PLASTIC CENTER SHREDDER DISC
    • Publication number 20080197221
    • Publication date Aug 21, 2008
    • FELLOWES, INC.
    • David HARTNETT
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...