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
2650292	Lamp Having a Reflector, Two Lenses, and Means to Vary The Distance Between Them	US	Strong	Strong Electric	08-25-1953
2642553	Lighting Control Apparatus	US	Williams	Duro-Test Corporation	06-16-1953
2594181	Selector Switch	US	Kliegl, Kliegl	Kliegl	04-22-1952
2591650	Control Means for Color Lighting Apparatus	US	Williams		04-01-1952
2558964	Iris Protection Apparatus For High-Intensity Spotlights	US	Kliegl	Kliegl	07-03-1951
D158200	Spotlight	US	Kliegl	Kliegl	04-18-1950
GB629266	Improvements in Colour Filters and Projection Apparatus for Using such Filters	GB	Skewes		09-15-1949
2307301	Spot Lamp	US	Richardson E. C.	Mole Richardson	01-05-1943
2305015	Adjustable Support For Lamp Housings	US	Langer	Kliegl	12-15-1942
2292387	Secret Communication System	US	Markey, Antheil		08-11-1942
2220415	Control System	US	LaRoque	General Electric	11-05-1940
2217485	Door Latch	US	Kliegl	Kliegl	10-08-1940
2133608	Color Screen Control	US	Engelken, Clifton	Kliegl	10-18-1938
2114963	Light Projector or Similar Article	US	Levy	Century Lighting	04-19-1938
2097537	Remotely Controlled Spotlight	US	Snyder		11-02-1937
2076240	Spot and Floodlight Projector Apparatus	US	Levy	Century Lighting	04-06-1937
2041458	Illumination Control System	US	Cooper	Colorflex Corporation	05-19-1936
2014573	Spotlight and Lamp Support Therefor	US	Kliegl	Kliegl	09-17-1935
2054224	Remote Control for Directing Projected Light	US	Levy	Century Lighting Equipment	03-01-1935
1991615	Disappearing Footlight	US	Kliegl	Kliegl	02-19-1935