Industry Patents

Click on any of the patent numbers below to reach a page giving more detail on that specific patent.

Once at the detail page you will be able to download a pdf version of the patent or application. Search results are displayed in date order, newest issued patents first. You'll always find the most recent at the top of the list.:-

Patent #	Title		Inventor	Assignee	Granted
4350417	Apparatus to Control Light Intensity from Arc Lamp	US	Freeman	Strong Electric	09-21-1982
4338655	Luminaire Apparatus Including Expansible Reflector Means and Method of Reflecting Radiant Energy to Provide a Spot to Flood Configuration	US	Gulliksen, Hamilton	Koehler Manufacturing	07-06-1982
4338654	Variable Spot Stage Light	US	Logothetis		07-06-1982
4298920	Automatic Ggel Changer for a Spotlight	US	Gluck, Tannenbaum		11-03-1981
4241295	Digital Lighting Control System	US	Williams		12-23-1980
4240011	Keyboard Operated Controller	US	Dinges, Tartaglio		12-16-1980
4232359	Spotlight or Other Illuminator	US	Leon, Byron	Berkey-Colortran	11-04-1980
4210955	Shutter System for Stage-Lighting Spotlights	US	Labrum	Electro Controls	07-01-1980
4187534	Universal Lens Mounting for Selective Spotlight Beam Spread	US	Tichenor, Levasseur	Berkey-Colortran	02-05-1980
4158132	Lighting Control System with Cue Level Information	US	O'Dell	Electronics Diversified	06-12-1979
4095139	Light Control System	US	Symonds, Dufee		06-13-1978
4037097	Color Changer for Spotlights	US	Stillman, Stillman		07-19-1977
4023031	Luminaire	US	Storey	Berkey Photo	05-10-1977
3970893	Apparatus for Controlling the Intensity of Lights	US	Bryant	Strand Century	07-20-1976
3968401	Apparatus for Controlling the Intensity of a Light Source	US	Bryant	Strand Century	07-06-1976
3946273	Split Cross Fader for the Control of Theatre Lighting	US	Goddard		03-23-1976
3924120	Heater Remote Control System	US	Cox		12-02-1975
3914464	Striped Dichroic Filter and Method for Making the Same	US	Thomasson, Crosher, Temple, Bartolmei, Seddon	Optical Coating Laboratory	10-21-1975
3900726	Compact Follow Spot	US	Tichenor	Berkey-Colortran	08-19-1975
3898643	Electronic Display Controlled Stage Lighting System	US	Ettlinger		08-05-1975