Patents by Inventor Ping-Nan Lin

Ping-Nan 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).

  • Measuring tape
    Patent number: D438478
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: March 6, 2001
    Inventor: Ping-Nan Lin
  • Measuring tape
    Patent number: D439176
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: March 20, 2001
    Inventor: Ping-Nan Lin