Patents by Inventor Robert Redgate

Robert Redgate 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: 5982098
    Abstract: An uninterruptible power source for emergency lighting in an AC powered electrical system utilizes X-10 protocol transmitters and receivers for transmitting and receiving data signals over existing wiring to emergency wall switches interposed in the wiring for maintaining emergency lighting in the on condition when AC commercial power is interrupted and a battery powered backup unit converting DC to AC is activated upon the interruption of the commercial AC source.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: November 9, 1999
    Inventor: Robert Redgate
  • Patent number: 5955844
    Abstract: An uninterruptible power source for emergency lighting in an AC powered electrical system utilizes X-10 protocol transmitters and receivers for transmitting and receiving data signals over existing wiring to emergency wall switches interposed in the wiring for maintaining emergency lighting in the on condition when AC commercial power is interrupted and a battery powered backup unit converting DC to AC is activated upon the interruption of the commercial AC source.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: September 21, 1999
    Inventor: Robert Redgate