Patents by Inventor Roger Louis Dumont

Roger Louis Dumont 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).

  • Optical device for lighting apparatus, with a plurality of combined reflectors
    Patent number: 4034217
    Abstract: An optical device for lighting including a plurality of combined reflectors to control a beam of light from a lamp and to direct it forward, so no reflected beam passes through the lamp and the light leaving the opening of the reflector forms a parallel beam.
    Type: Grant
    Filed: June 20, 1975
    Date of Patent: July 5, 1977
    Inventor: Roger Louis Dumont