Keith Chappell

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Cary, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Window and door flashing, roofing underlayment, protection course,...
- Patent number 8,206,817
- Issue date Jun 26, 2012
- AMCOL International Corp.
- Michael Donovan
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
WINDOW AND DOOR FLASHING, ROOFING UNDERLAYMENT, PROTECTION COURSE,...
- Publication number 20100314026
- Publication date Dec 16, 2010
- AMCOL International Corporation
- Michael Donovan
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS