Granted Patent
Utility
US 5,407,596 · App. 08/241,820
Polyols for the production of foams with HCFC blowing agents
Inventors:
Robson Mafoti, Richard E. Keegan, Steven L. Schilling
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: May 12, 1994
Inventors
Robson Mafoti
Richard E. Keegan
Steven L. Schilling
Assignee (at issue)
Miles Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.