Granted Patent
Utility
US 4,874,809 · App. 07/148,242
Reinforced polyesters, article thereof and method of making low warpage articles
Inventor:
Gerald T. Keep
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Jan 25, 1988
Inventor
Gerald T. Keep
Assignee (at issue)
EASTMAN KODAK COMPANY
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.