Granted Patent
Utility
US 6,431,380 · App. 09/692,787
Child-resistant flip top closure
Inventor:
Mark K. Branson
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Oct 20, 2000
Inventor
Mark K. Branson
Assignee (at issue)
Rexam Medical Packaging 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.