Patents by Inventor William Lian Li

William Lian Li 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).

  • Reverse parking aid
    Patent number: D462626
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: September 10, 2002
    Inventor: William Lian Li
  • Safety light
    Patent number: D578670
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: October 14, 2008
    Inventors: William Lian Li, Jack Li
  • Safety light bracket design
    Patent number: D592800
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: May 19, 2009
    Inventors: William Lian Li, Jack Li
  • Parking timer
    Patent number: D424452
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: May 9, 2000
    Inventor: William Lian Li
  • Safety light
    Patent number: D425223
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: May 16, 2000
    Inventor: William Lian Li
  • Safety light
    Patent number: D742042
    Type: Grant
    Filed: September 7, 2013
    Date of Patent: October 27, 2015
    Inventor: William Lian Li