Patents by Inventor Cathy W. F. Lu

Cathy W. F. Lu 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).

  • Go kart
    Patent number: D500707
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: January 11, 2005
    Assignee: Dazon Incorporated
    Inventor: Cathy W. F. Lu
  • Go kart
    Patent number: D503658
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: April 5, 2005
    Assignee: Dazon Incorporated
    Inventor: Cathy W. F. Lu
  • Scooter
    Patent number: D480663
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: October 14, 2003
    Assignee: Dazon (Arizona) Incorporated
    Inventor: Cathy W. F. Lu
  • Scooter
    Patent number: D480992
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: October 21, 2003
    Assignee: Dazon (Arizona) Incorporated
    Inventor: Cathy W. F. Lu
  • Scooter
    Patent number: D491492
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: June 15, 2004
    Assignee: Dazon Incorporated
    Inventor: Cathy W. F. Lu