Patents by Inventor Gregory S. Heet

Gregory S. Heet 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).

  • String instrument vibration initiator and sustainer
    Patent number: 4075921
    Abstract: An apparatus for initiating and sustaining vibrations of a string in a musical instrument. A hand-held (or permanently mounted) device senses the vibration of the string and provides an output driving signal for sustaining the vibrations.
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: February 28, 1978
    Inventor: Gregory S. Heet
  • Hand held musical string vibration initiator and sustainer
    Patent number: D248122
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: June 6, 1978
    Inventor: Gregory S. Heet