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
5143444	Computer Controlled Light with Continuously Variable Colour Temperature, Color, Magnification, Focus and Position	US	Shields		09-01-1992
5143447	Lamp System Having a Torroidal Light Emitting Member	US	Bertenshaw	Strand Lighting	09-01-1992
5126886	Scrolling Primary Color Changer	US	Richardson, Richardson	Morpheus Lights	06-30-1992
D324431	Stage Spotlight	US	Richardson, Richardson	Morpheus Lights	03-03-1992
5078039	Microprocessor Controlled Lamp Flashing System with Cooldown Protection	US	Tulk, Belliveau	High End Systems	01-07-1992
5073847	Variable Color Lighting Instrument	US	Bornhorst	Vari-Lite	12-17-1991
5066896	Electric Lighting and Power Controllers Therefor	US	Bertenshaw, Williamson, Wright	Stand Lighting	11-19-1991
5066085	Fiber Optic Curtain	US	Gimbutas	Main Light	11-19-1991
5060126	Color Wheel for Lighting Devices	US	Tyler, Luk, Pujol		10-22-1991
5059871	Programmable Lighting Control System Linked by a Local Area Network	US	Pearlman, Carlson	Lightolier	10-22-1991
5045983	Computer Controlled Light with Continuously Variable Colour Temperature, Color, Magnification, Focus and Position	US	Shields		09-03-1991
5034866	Multilamp Strip Light Luminaire System	US	Pujol	Altman Stage Lighting	07-23-1991
5031078	Additive Color Mixing System with Variable Hue and Saturation Light Sources	US	Bornhorst	Vari-Lite	07-09-1991
5029992	Motor-Controlled Lens System	US	Richardson	Morpheus LIghts	07-09-1991
5018058	High Frequency AC Voltage Control	US	Ionescu, Conant	Power Management International	05-21-1991
5010459	Console/Lamp Unit Coordination and Communication in Lighting Systems	US	Taylor, Walsh	Vari-Lite	04-23-1991
5004957	Dimming Control Circuit	US	Cunningham	Lee Colortran	04-02-1991
5004969	Phase Control Switching Circuit Without Zero Crossing Detection	US	Schanin	Bayview Technology Group	04-02-1991
4984143	Color Filter Changer	US	Richardson	Morpheus Lights	01-08-1991
4980806	Computer Controlled Lighting System with Distributed Processing	US	Taylor, Walsh	Vari-Lite	12-25-1990