Patents by Inventor Yin-Fei Hsieh

Yin-Fei Hsieh 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).

  • Patent number: 4918818
    Abstract: A multi-purpose massage shaver, with a connecting seat which has a guide slot, and an elastic flange at the center of the connecting seat to hold and latch razor holder, face massager, gums massager, or eye socket bone massager etc. for differing functions.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: April 24, 1990
    Inventor: Yin-Fei Hsieh