Patents by Inventor Dennis R. Slape

Dennis R. Slape 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).

  • Illumination device, particularly useable as a projector for color photography
    Patent number: 5722755
    Abstract: This invention provides an improved illumination device (10) which provides light fluxes with continuously variable spectral content and luminosity. The illumination device (10) includes a power supply (20) which is contained in a housing (24) which has a front face (28). Light sources (30a, 30b & 30c) are mounted on the front face (28) of the housing (24) and are connected to the power supply (20). The light sources (30a, 30b & 30c) are disposed to emit light fluxes substantially in the direction (38) of a selected object in front of the illumination device (10). The illumination device (10) also includes a color screen (40a, 40b and 40c) associated with each light source (30a, 30b and 30c).
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: March 3, 1998
    Inventor: Dennis R. Slape