Patents by Inventor Robert T. Murphy

Robert T. Murphy 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).

  • Electrical sound detector for stringed instrument
    Patent number: 4843937
    Abstract: An electrical detector attachment to the sound post of a stringed instrument is connected by an electric conductor to a coupling device adapted to receive at the exterior of the instrument the coupling member of an electronic device such as a sound amplifier.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: July 4, 1989
    Inventor: Robert T. Murphy
  • Containment cape
    Patent number: D761398
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: July 12, 2016
    Inventor: Robert T. Murphy