Patents by Inventor Ching Fa Cheng

Ching Fa Cheng 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).

  • Lathe
    Patent number: D415506
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: October 19, 1999
    Inventor: Ching Fa Cheng
  • Lathe
    Patent number: D425916
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: May 30, 2000
    Inventor: Ching Fa Cheng