Patents by Inventor Penelope Cheng Yao

Penelope Cheng Yao 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).

  • Palm rest portion for a keyboard
    Patent number: D381016
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: July 15, 1997
    Assignee: Microsoft Corporation
    Inventors: Mike M. Paull, Steven T. Kaneko, Thomas E. Davies, Jr., Jan Hippen, Penelope Cheng Yao