Patents by Inventor Wen-Hung Tseng

Wen-Hung Tseng 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).

  • Chair armrest
    Patent number: D439083
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: March 20, 2001
    Assignees: OCM International Inc.
    Inventor: Wen-Hung Tseng
  • Chair armrest
    Patent number: D444327
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 3, 2001
    Assignees: OCM International Inc.
    Inventor: Wen-Hung Tseng