Patents by Inventor Cha-Shun Chang

Cha-Shun Chang 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).

  • Patent number: D502949
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: March 15, 2005
    Inventor: Cha-Shun Chang
  • Patent number: D503174
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: March 22, 2005
    Inventor: Cha-Shun Chang
  • Patent number: D506759
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: June 28, 2005
    Inventor: Cha-Shun Chang
  • Patent number: D516941
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: March 14, 2006
    Inventor: Cha-Shun Chang
  • Patent number: D495328
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: August 31, 2004
    Inventor: Cha-Shun Chang
  • Patent number: D500044
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: December 21, 2004
    Inventor: Cha-Shun Chang
  • Patent number: D500046
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: December 21, 2004
    Inventor: Cha-Shun Chang