Granted Patent
Utility
US 4,359,171 · App. 06/287,707
Container cover locking assembly
Inventor:
Duane H. Lewis
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Jul 28, 1981
Inventor
Duane H. Lewis
Assignee (at issue)
Continental Plastic Corp.
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.