Granted Patent
Utility
US 4,865,190 · App. 07/263,404
Security package with rotatable locking channel
Inventors:
Barry Gregerson, Larry G. Dressen
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Oct 27, 1988
Inventors
Barry Gregerson
Larry G. Dressen
Assignee (at issue)
Empak, 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.