IP Library › Granted Patent US 5,786,085
Granted Patent Utility
US 5,786,085 · App. 08/325,131

Asphaltic polyurethane foam for roofing applications

Inventors: Casey G. Tzeng, George F. Thagard, III
Patented Case View Patent ↗
Granted: Jul 28, 1998 Filed: Oct 20, 1994
Inventors
Casey G. Tzeng
George F. Thagard, III
Assignee (at issue)
Fontana Paper Mills, Inc.

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Quick Facts
Patent No.
US 5,786,085
App. No.
08/325,131
Filed
1994-10-20
Granted
1998-07-28
Kind
A