Patents by Inventor Wem-Tung Shen

Wem-Tung Shen 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).

  • Patent number: 5319164
    Abstract: A speaker holder includes a hollow, open holder body which receives a speaker within an inward top flange thereof, a bottom plate fastened to the holder body at the bottom to hold a spring-supported ball in a center hole on an upright center rod thereof for permitting the speaker to be balanced on the ball, and a mounting plate detachably fastened to the bottom plate through hooked joints for mounting the speaker holder on a supporting surface.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: June 7, 1994
    Assignee: A - Sonic Electrics Co. Ltd.
    Inventor: Wem-Tung Shen