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David Song
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Vernon Hills, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Gypsum wallboard with reinforcing mesh
Patent number
10,053,860
Issue date
Aug 21, 2018
United States Gypsum Company
Alfred Li
E04 - BUILDING
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Patent Grant
Gypsum products with improved glass fiber mat
Patent number
9,840,843
Issue date
Dec 12, 2017
United States Gypsum Company
Alfred Li
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
GYPSUM WALLBOARD WITH REINFORCING MESH
Publication number
20170030076
Publication date
Feb 2, 2017
United States Gypsum Company
Alfred Li
B32 - LAYERED PRODUCTS
Information
Patent Application
GYPSUM PRODUCTS WITH IMPROVED GLASS FIBER MAT
Publication number
20160040427
Publication date
Feb 11, 2016
United States Gypsum Company
Alfred Li
B32 - LAYERED PRODUCTS