Patents by Inventor Donald K. Ray

Donald K. Ray 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).

  • Automatic emergency locator system and method
    Patent number: 4878236
    Abstract: An automatic emergency locator system detects tone dialing of an emergency number, such as 911. Upon detecting this number the system turns on a visual signalling device, such as a flashing strobe light. The signalling device helps personnel responding to the emergency call locate the emergency. The visual signalling device remains on for a set period. Authorized persons can reset the system and turn off the signalling device by dialing a predetermined reset number.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: October 31, 1989
    Inventors: Donald K. Ray, Larry G. Taylor
  • Automatic emergency locator system and method
    Patent number: RE34677
    Abstract: An automatic emergency locator system detects tone dialing of an emergency number, such as 911. Upon detecting this number the system turns on a visual signalling device, such as a flashing strobe light. The signalling device helps personnel responding to the emergency call locate the emergency. The visual signalling device remains on for a set period. Authorized persons can reset the system and turn off the signalling device by dialing a predetermined reset number.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: July 26, 1994
    Inventors: Donald K. Ray, Larry G. Taylor