Stephen B. Keen

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Elgin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for removing heat from high intensity light bulbs
- Patent number 7,982,376
- Issue date Jul 19, 2011
- Stephen B Keen
- F21 - LIGHTING
Information Patent Grant
High intensity light reflector apparatus
- Patent number 7,954,982
- Issue date Jun 7, 2011
- Stephen B Keen
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for removing heat from high intensity light bulbs
- Publication number 20100207499
- Publication date Aug 19, 2010
- Stephen B. Keen
- F21 - LIGHTING
Information Patent Application
Appartus for Controlling and Removing Heat from a High Intensity Di...
- Publication number 20100118542
- Publication date May 13, 2010
- Stephen B. KEEN
- F21 - LIGHTING
Information Patent Application
HIGH INTENSITY LIGHT REFLECTOR APPARATUS
- Publication number 20090279303
- Publication date Nov 12, 2009
- Stephen B. Keen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Apparatus and method for removing heat from plant growth light bulbs
- Publication number 20080074880
- Publication date Mar 27, 2008
- Stephen B. Keen
- F21 - LIGHTING