Patents by Inventor Douglas C. Eisold

Douglas C. Eisold 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).

  • Disaster alert device and system
    Patent number: 7515041
    Abstract: A disaster alert system and disaster alert devices for use in the system. Each disaster alert device includes a radio receiver, and a processor programmed to monitor radio transmissions from one or more central stations for disaster alerts directed to the location of the disaster alert device. Each alert device also includes an audio unit to alert personnel located at the site of the device to the precise nature of the disaster. The disaster alert devices are pre-programmed with information identifying the precise use location of the warning device. This use location information includes latitude and longitude of the use location and may also include other location information such as street address and zip code.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: April 7, 2009
    Assignee: Trex Enterprises Corp.
    Inventors: Douglas C. Eisold, Brent Perkins, Paul Johnson, Paul Fairchild, Keneth Y. Tang
  • Disaster alert device and system
    Publication number: 20070252688
    Abstract: A disaster alert system and disaster alert devices for use in the system. Each disaster alert device includes a radio receiver, and a processor programmed to monitor radio transmissions from one or more central stations for disaster alerts directed to the location of the disaster alert device. Each alert device also includes an audio unit to alert personnel located at the site of the device to the precise nature of the disaster. The disaster alert devices are pre-programmed with information identifying the precise use location of the warning device. This use location information includes latitude and longitude of the use location and may also include other location information such as street address and zip code.
    Type: Application
    Filed: June 23, 2006
    Publication date: November 1, 2007
    Inventors: Douglas C. Eisold, Brent Perkins, Paul A. Johnson, Paul Fairchild, Kenneth Y. Tang