Patents by Inventor Junhai Cai

Junhai Cai 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).

  • Tire tread
    Patent number: D415720
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: October 26, 1999
    Assignee: Bandag Incorporated
    Inventors: Herbert J. Roelle, Junhai Cai
  • Tire tread
    Patent number: D415723
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: October 26, 1999
    Assignee: Bandag Incorporated
    Inventors: Herbert J. Roelle, Junhai Cai