Douglas C. Williams

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and article of manufacture for sealing a roof
- Patent number 7,310,921
- Issue date Dec 25, 2007
- Douglas C. Williams
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND ARTICLE OF MANUFACTURE FOR SEALING A ROOF
- Publication number 20080098667
- Publication date May 1, 2008
- Douglas C. Williams
- E04 - BUILDING
Information Patent Application
Method and article of manufacture for sealing a roof
- Publication number 20050102922
- Publication date May 19, 2005
- Douglas C. Williams
- E04 - BUILDING