Patents by Inventor C. L. Hsieh

C. L. Hsieh 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).

  • Locking device for percussion instruments' stand
    Patent number: 4363561
    Abstract: This invention relates to a locking device applied to the supporting stand of percussion instruments, for example snare stand, tom-tom holder, cymbal stand, timbales stand and all kinds of joints of drum outfits, etc., which locking device allows the splaying angle of the two arms to be adjusted to any operable degree without the inconvenient constraint of the calibrating teeth, thereby largely simplifying the operating procedure and enhancing the practicality thereof.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: December 14, 1982
    Assignee: Kung Hsue She Educational Supplies Co., Ltd.
    Inventor: C. L. Hsieh