Granted Patent
Utility
US 4,207,280 · App. 05/939,875
Container lining method
Inventors:
George West, William F. Kent, George L. Pickard, Wilbur P. Winton
Patented Case
View Patent ↗
Granted: Jun 10, 1980
Filed: Sep 5, 1978
Inventors
George West
William F. Kent
George L. Pickard
Wilbur P. Winton
Assignee (at issue)
Leesona Corporation
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.