Granted Patent
Utility
US 5,221,707 · App. 07/711,486
Coating blend compositions
Inventors:
Kohji Y. Chihara, James R. Goewey
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Jun 6, 1991
Inventors
Kohji Y. Chihara
James R. Goewey
Assignee (at issue)
GenCorp, 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.