Inventor
CANFIELD V ROBERT
US7 patents
⚠️ This page may combine multiple inventors who share the name “CANFIELD V ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAF CORP
5 patentsUS4233353ANov 11, 1980
High-strength built-up roofing using improved glass fiber mats
GAF CORP31 citations91
US4567079AJan 28, 1986
High-strength built-up roofing using improved ply sheets
GAF CORP27 citations89
US4430158AFeb 7, 1984
Method of improving the wet tensile strength of glass fiber mats
GAF CORP28 citations86
US4242404ADec 30, 1980
High-strength glass fiber mat particularly useful for roofing products
GAF CORP26 citations81
US4200487AApr 29, 1980
Economical method of making high-strength glass fiber mats particularly useful for roofing products
GAF CORP17 citations72