Granted Patent
Utility
US 5,988,412 · App. 08/992,422
Safety closure having an internal locking lug
Inventors:
Jeffrey C. Minnette, Clayton L. Robinson
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Dec 17, 1997
Inventors
Jeffrey C. Minnette
Clayton L. Robinson
Assignee (at issue)
Rexam Plastics, Inc.
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.