Patents by Inventor Chi-Fu Lin

Chi-Fu Lin 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).

  • Foldable trowel
    Patent number: D459957
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: July 9, 2002
    Inventor: Chi-Fu Lin
  • Foldable chair
    Patent number: D380306
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: July 1, 1997
    Inventor: Chi-fu Lin