Patents by Inventor David P. Bryant

David P. Bryant 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: 5473729
    Abstract: A portable, continuous loop, microchip recording device which stores sound prior to and for a preset period after a timer is triggered by either a manual switch, a preprogrammed acoustical signature, or when a preset decibel or pressure level is reached.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: December 5, 1995
    Inventors: David P. Bryant, Gene M. Nitschke