Patents by Inventor Douglas C. Allport

Douglas C. Allport 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).

  • Community emergency telephone notification system
    Patent number: 6480578
    Abstract: A telecommunications system and device for providing a notification or warning of pending or imminent danger to the public. The system provides the communication of a desired warning signal and the geographic coverage for such signal, the subsequent data search and issuing of such signals, and a preprogrammed, AC/DC powered alarm/notification device which is coupled to individual telephone lines within homes and businesses. The alarm/notification device constantly monitors the telephone line for specific codes, and upon receipt of such codes, is activated to provide visual and/or audio alert notification.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: November 12, 2002
    Inventor: Douglas C. Allport
  • Community alarm/notification device, method and system
    Patent number: 6021177
    Abstract: A telecommunications system and device for providing a notification or warning of pending or imminent danger to the public. The system provides the communication of a desired warning signal and the geographic coverage for such signal, the subsequent data search and issuing of such signals, and a preprogrammed, AC/DC powered alarm/notification device which is coupled to individual telephone lines within homes and businesses. The alarm/notification device constantly monitors the telephone line for specific codes, and upon receipt of such codes, is activated to provide visual and/or audio alert notification.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: February 1, 2000
    Inventor: Douglas C. Allport
  • Tag fastener
    Patent number: 5535491
    Abstract: A fastener for retaining an article to an object, such as a ski pass hang tag to a ski jacket, said fastener comprising a body having first retaining means to non-releasably retain said article and second retaining means to non-releasably retain said object. Preferably the fastener is of unitary construction and formed of a resiliently flexible material such as nylon. The fastener provides for improved security, convenience, reduced litter and for the display of advertising material.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: July 16, 1996
    Inventor: Douglas C. Allport