GS ROOFING PRODUCTS COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5437923 Halogen-free flame-retardent bitumen roofing compositionJun 09, 93Aug 01, 95[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4757652 Roofing productExpiredAug 05, 87Jul 19, 88[E04D]

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