Patents by Inventor Chon-I Mao

Chon-I Mao 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).

  • Bicycle chain ring
    Patent number: D438148
    Type: Grant
    Filed: June 10, 2000
    Date of Patent: February 27, 2001
    Inventors: Tung-Chien Chiu, Chon-I Mao
  • Bicycle chain ring
    Patent number: D441324
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: May 1, 2001
    Inventors: Tung-Chien Chiu, Chon-I Mao