Patents by Inventor Stephen F. Shier

Stephen F. Shier 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).

  • Percussion kit
    Patent number: 4289056
    Abstract: A collapsible drum, the drum having flexible side walls formed of a pair of generally parallel walls, the walls being adapted to be inflated to hold the drum in erected condition and deflated to allow the drum to collapse for transportation and storage.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: September 15, 1981
    Inventor: Stephen F. Shier