Patents by Inventor Chiu-Hua Yang

Chiu-Hua Yang 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).

  • Telephone alarmclock
    Patent number: D397298
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: August 25, 1998
    Assignee: Yang Handle Enterprise Co., Ltd
    Inventor: Chiu-Hua Yang