Douglas C. Eckman

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Canton, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustical sound proofing materials and methods of making the same
- Patent number 9,085,894
- Issue date Jul 21, 2015
- Georgia-Pacific Gypsum LLC
- Douglas C. Eckman
- B32 - LAYERED PRODUCTS
Information Patent Grant
Acoustical sound proofing materials and methods of making the same
- Patent number 8,590,272
- Issue date Nov 26, 2013
- Georgia-Pacific Gypsum LLC
- Vincent B. Thomas
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
ACOUSTICAL SOUND PROOFING MATERIALS AND METHODS OF MAKING THE SAME
- Publication number 20140050902
- Publication date Feb 20, 2014
- Georgia-Pacific Gypsum LLC
- Douglas C. Eckman
- B32 - LAYERED PRODUCTS
Information Patent Application
ACOUSTICAL SOUND PROOFING MATERIALS AND METHODS OF MAKING THE SAME
- Publication number 20110296794
- Publication date Dec 8, 2011
- Georgia-Pacific Gypsum LLC
- Vincent B. Thomas
- B32 - LAYERED PRODUCTS