Patents by Inventor Kam S. Yim

Kam S. Yim 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).

  • Massager
    Patent number: D364687
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: November 28, 1995
    Inventors: Kam S. Yim, Kwong T. Tsang
  • Abacus massager
    Patent number: D368139
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: March 19, 1996
    Inventors: Kam S. Yim, Kwong T. Tsang