Granted Patent
Utility
US 5,690,243 · App. 08/654,553
Snap on twist off tamper indicating flexible cap and neck configuration
Inventor:
Luca Molinaro
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: May 22, 1996
Inventor
Luca Molinaro
Assignee (at issue)
Portola 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.