Patents by Inventor Chingtang Chan

Chingtang Chan 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).

  • Accessory gun rail
    Patent number: D654552
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: February 21, 2012
    Assignee: Leapers, Inc.
    Inventors: Youjin Wu, Chingtang Chan
  • Accessory gun rail
    Patent number: D659221
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: May 8, 2012
    Assignee: Leapers, Inc.
    Inventors: Youjin Wu, Chingtang Chan