Patents by Inventor Pen Yu-Hsiang

Pen Yu-Hsiang 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).

  • Combined sprayer and massager
    Patent number: D351473
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: October 11, 1994
    Inventor: Pen Yu-Hsiang