Granted Patent
Utility
US 5,897,009 · App. 08/953,261
One-piece container closure assemblies
Inventor:
John R. O'Meara
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 17, 1997
Inventor
John R. O'Meara
Assignee (at issue)
Wheaton USA, 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.