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Zhi Li

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  • Richmond Hill, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bi-directional clutch with return feature
    • Patent number 10,012,020
    • Issue date Jul 3, 2018
    • ZMC METAL COATING INC.
    • Zhi Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    BI-DIRECTIONAL CLUTCH WITH RETURN FEATURE
    • Publication number 20160319596
    • Publication date Nov 3, 2016
    • ZMC Metal Coating Inc.
    • Zhi Li
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS