Granted Patent
Utility
US 5,921,417 · App. 09/075,079
Large diameter safety closure
Inventor:
Jayna L. Mull
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: May 8, 1998
Inventor
Jayna L. Mull
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.