Granted Patent
Utility
US 4,936,474 · App. 07/314,959
Container neck finish configuration for improved tamper evident band breakage upon removal of associated closure
Inventors:
Dennis Szczesniak, Peter A. Vercillo
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Feb 24, 1989
Inventors
Dennis Szczesniak
Peter A. Vercillo
Assignee (at issue)
Continental White Cap, 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.