IP Library › Granted Patent US 5,342,859
Granted Patent Utility
US 5,342,859 · App. 08/121,428

Method of producing rigid foams and products produced therefrom

Inventors: Robert H. Blanpied, Richard L. Donald
Patented Case View Patent ↗
Granted: Aug 30, 1994 Filed: Sep 16, 1993
Inventors
Robert H. Blanpied
Richard L. Donald
Assignee (at issue)
Atlas Roofing Corporation

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Quick Facts
Patent No.
US 5,342,859
App. No.
08/121,428
Filed
1993-09-16
Granted
1994-08-30
Kind
A