12° Mask - Transparent Mask

Lingnan Entrepreneurship Initiative

Research output: Other contribution › Other outputs › Research

  • 2 Patents (LU)

Search results

  • 2021

    一種口罩

    KO, W. Y. A. (Inventor), 28 Dec 2021, China National Intellectual Property Administration, Patent No. CN202120805013.1, 20 Apr 2021, Priority date 22 Jan 2021, Priority No. 2021-01-22 HK 32021024155.2

    Research output: Patents, Agreements, Assignments › Patents (LU)

  • 一種口罩

    Translated title of the contribution: A MaskKO, W. Y. A. (Inventor), 28 May 2021, Patent Registry, Intellectual Property Department (HKSAR), Patent No. HK30036740, 22 Jan 2021, Priority date 22 Jan 2021

    Research output: Patents, Agreements, Assignments › Patents (LU)