Granted Patent
Utility
US 5,895,689 · App. 09/073,466
Polyurethane composition useful for coating cylindrical parts
Inventor:
Vincent J. Gajewski
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: May 6, 1998
Inventor
Vincent J. Gajewski
Assignee (at issue)
Uniroyal Chemical Company, 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.