Douglas W. Biggers

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Key Biscayne, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Shutter window/door and method
- Patent number 7,121,316
- Issue date Oct 17, 2006
- Douglas W. Biggers
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Storm shutter apparatus
- Publication number 20060010792
- Publication date Jan 19, 2006
- Douglas W. Biggers
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Shutter window/door and method
- Publication number 20040226668
- Publication date Nov 18, 2004
- Douglas W. Biggers
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS