Matthew David de Witt

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Stony Mountain, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pultruded part for use as a frame member for an exterior wall const...
- Patent number 8,863,454
- Issue date Oct 21, 2014
- Omniglass SCT Inc.
- Laurence W. Davies
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
PULTRUDED PART FOR USE AS A FRAME MEMBER FOR AN EXTERIOR WALL CONST...
- Publication number 20100122503
- Publication date May 20, 2010
- Laurence W. Davies
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS