Patents by Inventor Edward C Denham

Edward C Denham 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).

  • Reflector
    Patent number: 5997146
    Abstract: A reflector includes a frame over which is stretched a flexible sheet of reflective material to define a curved reflecting surface of pre-determined geometry. The frame defines arcuate sections portions of which support the sheet and lie on the surface of pre-determined geometry. At least one of the arcuate sections is deformable to displace the respective sheet supporting portion and thereby adjust the tension in the flexible sheet.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: December 7, 1999
    Assignee: Thomson Training & Simulation Limited
    Inventors: Edward C Denham, Raymond J. Bridgwater, Gerald A. Furlong, Anthony Nordberg