Patents by Inventor Robert Ping

Robert Ping 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).

  • Clock
    Patent number: D356509
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: March 21, 1995
    Inventor: Robert Ping
  • Clock
    Patent number: D356955
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: April 4, 1995
    Inventor: Robert Ping