Don Spears

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The Colony, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Reflector assembly for a skylight curb and method of installing sam...
- Patent number 9,115,495
- Issue date Aug 25, 2015
- Entech Solar, Inc.
- David Gelbaum
- F21 - LIGHTING
Information Patent Grant
Passive collimating skylight
- Patent number 9,027,292
- Issue date May 12, 2015
- Entech Solar, Inc.
- Mark J. O'Neill
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Reflector Assembly for a Skylight Curb and Method of Installing Sam...
- Publication number 20150047274
- Publication date Feb 19, 2015
- ENTECH SOLAR, INC.
- David Gelbaum
- G02 - OPTICS
Information Patent Application
Passive Collimating Skylight
- Publication number 20140047784
- Publication date Feb 20, 2014
- ENTECH SOLAR, INC.
- Mark J. O'Neill
- E04 - BUILDING
Information Patent Application
PASSIVE COLLIMATING SKYLIGHT
- Publication number 20120272593
- Publication date Nov 1, 2012
- Mark J. O'Neill
- E04 - BUILDING