Granted Patent
Utility
US 4,601,941 · App. 06/648,099
High heat metal-polymer laminate
Inventors:
Robert G. Lutz, William P. Gergen
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Sep 7, 1984
Inventors
Robert G. Lutz
William P. Gergen
Assignee (at issue)
SHELL OIL 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.