Yinhua Long

Person

  • Shenzhen, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Quick release projector screen

    • Patent number 11,513,435
    • Issue date Nov 29, 2022
    • Shenzhen Century-star Visual Co., Ltd
    • Yinhua Long
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Quick release projector screen

    • Publication number 20200292930
    • Publication date Sep 17, 2020
    • Yinhua Long
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...