Granted Patent
Utility
US 5,330,464 · App. 07/849,267
Reliable breakable closure mechanism
Inventors:
Jean-Marie Mathias, Jean-Claude Bernes, Ermenegildo Lavezzo, Jack Debrauwere
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Mar 11, 1992
Inventors
Jean-Marie Mathias
Jean-Claude Bernes
Ermenegildo Lavezzo
Jack Debrauwere
Assignee (at issue)
Baxter International 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.