Patents by Inventor Marcus Yuh

Marcus Yuh 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).

  • Automatic holder for key caps
    Patent number: 4846516
    Abstract: A cup shaped holder for transporting and installing a key cap on a key switch in a keyboard. The holder has an open end and resilient side walls for closely receiving the upper portion of a key cap. The closed end of the holder is at an angle to the direction of movement of the holder and is adapted to engage the upper surface of the key cap to more nearly align the cap with the key switch when the cap is pressed on the switch by the holder.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: July 11, 1989
    Assignee: Industrial Technology Research Institute
    Inventors: Marcus Yuh, Shi-Ming Lin