Patents by Inventor Qian Chan

Qian Chan 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).

  • Bicycle frame
    Patent number: D381941
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: August 5, 1997
    Inventor: Qian Chan
  • Bicycle frame
    Patent number: D385229
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: October 21, 1997
    Inventor: Qian Chan