Patents by Inventor Brian F. Cahill

Brian F. Cahill 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 instrument
    Patent number: 4817490
    Abstract: A pedal operated cam mechanism for use in a "hi-hat" cymbal instrument. A complete down and up cycle of the pedal causes the cam to oscillate so that a follower rod is attached to one of the cymbals and bearing on the cam is reciprocated a multiple number of times, thereby producing a multiple beat of the cymbals each cycle.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: April 4, 1989
    Inventor: Brian F. Cahill