Patents by Inventor Hui-Min Chiang

Hui-Min Chiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • WELDING MASK
    Publication number: 20090235420
    Abstract: A welding mask includes a mask body and a screen assembly. The mask body has a viewing window. The screen assembly covers the viewing window, and includes a first frame mounted on the mask body, a second frame connected detachably to the first frame, an elastic piece provided on the second frame, and a lens sandwiched between the elastic piece and the first frame.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 24, 2009
    Applicant: POLISON CORPORATION
    Inventor: Hui-Min Chiang