Patents by Inventor Guy J. Swartzlander

Guy J. Swartzlander 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 mallet for a musical instrument
    Patent number: 4649792
    Abstract: A mallet for a percussion musical instrument which includes a shaft and a head portion. The head portion includes a cylindrical core and an annular sound ridge and a yarn covering encasing the core and sound ridge. Both the core and sound ridge are constructed of laminar layers of sheet material alternating with layers of adhesive tape. The yarn covering fills in the discontinuities between the sound ridge and the core to form a substantially spherical smooth surface for the mallet head.
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: March 17, 1987
    Inventor: Guy J. Swartzlander