Inventor
ZIEGLER B RANDALL
5 patents
Patents
5 patentsUS4040851AAug 9, 1977
Cotton-cement articles
GAF CORP87 citations93
US4233353ANov 11, 1980
High-strength built-up roofing using improved glass fiber mats
GAF CORP31 citations91
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
US4390336AJun 28, 1983
Apparatus for air laid fiberglass mat
GAF CORP8 citations71