Patents by Inventor Ting-Yuan Chen

Ting-Yuan Chen 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).

  • Pneumatic tool
    Patent number: D456231
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: April 30, 2002
    Inventor: Ting-Yuan Chen
  • Pneumatic tool
    Patent number: D456232
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: April 30, 2002
    Inventor: Ting-Yuan Chen