Patents by Inventor Kenny R. Voorhies

Kenny R. Voorhies 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).

  • Circuit for detection of off-hook condition of extension telephones
    Patent number: 4647723
    Abstract: A solid state circuit designed to be incorporated into a telephone terminal instrument to provide a visual indication at that instrument that a telephone line to which the instrument is connected is already in use by another telephone instrument.
    Type: Grant
    Filed: May 9, 1985
    Date of Patent: March 3, 1987
    Assignee: GTE Communications Systems Corp.
    Inventor: Kenny R. Voorhies