Granted Patent
Utility
US 4,748,192 · App. 06/843,033
Aliphatic polyurethane sprayable coating compositions and method of preparation
Inventor:
Stuart B. Smith
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Mar 24, 1986
Inventor
Stuart B. Smith
Assignee (at issue)
Urylon Development, 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.