Granted Patent
Utility
US 4,622,252 · App. 06/427,246
Laminate with plastic film
Inventor:
George W. Strobeck
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Sep 29, 1982
Inventor
George W. Strobeck
Assignee (at issue)
Phillips Petroleum 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.