Patents by Inventor Eric J. Kirby

Eric J. Kirby 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: 4788897
    Abstract: A mechanism for producing a multiple number of drum beats from a single downward depression of a drum foot pedal. A slipping linkage is utilized to produce multiple oscillations of a shaft member during the continuous downward motion of the drum pedal. The drum mallet is attached to the oscillatory shaft and therefore produces a number of beats for each foot pedal depression.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: December 6, 1988
    Inventors: Eric J. Kirby, Lawrence C. Smith