Granted Patent
Utility
US 5,047,495 · App. 07/399,645
Polyurethane for flexible fuel containers
Inventor:
Edmond G. Kolycheck
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Aug 28, 1989
Inventor
Edmond G. Kolycheck
Assignee (at issue)
The G. F. Goodrich 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.