Patents by Inventor Gary A. Niemi

Gary A. Niemi 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 system and apparatus therefor
    Patent number: 4302069
    Abstract: Disclosed is an illumination system incorporating light pipes distributing light to large numbers of building spacial units, the system employing artificial or natural light sources, light splitters, optical switches, and light fixtures or lamps. Alternate embodiments of light splitters and optical switches are also disclosed as well as a specific type light fixture employing reflector cones, lenses, and a pyramid shaped reflector.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: November 24, 1981
    Inventor: Gary A. Niemi
  • Illumination system and apparatus therefor
    Patent number: 4152752
    Abstract: Disclosed is an illumination system incorporating light pipes distributing light to large numbers of building spacial units, the system employing artificial or natural light sources, light splitters, optical switches, and light fixtures or lamps. Alternate embodiments of light splitters and optical switches are also disclosed as well as a specific type light fixture employing reflector cones, lenses, and a pyramid shaped reflector.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: May 1, 1979
    Inventor: Gary A. Niemi