Duane G. Den Adel

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Langley, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic insulated roof curbs for use with mechanical units
- Patent number 9,933,183
- Issue date Apr 3, 2018
- Duane Den Adel
- E04 - BUILDING
Information Patent Grant
Insulated perimeter roof curb
- Patent number 9,016,016
- Issue date Apr 28, 2015
- Duane G Den Adel
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
INSULATED PERIMETER ROOF CURB
- Publication number 20150068133
- Publication date Mar 12, 2015
- Duane G. Den Adel
- E04 - BUILDING
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING AN INSULATIVE WALL STRUCTURE
- Publication number 20090260310
- Publication date Oct 22, 2009
- Duane G. Den Adel
- E04 - BUILDING