Granted Patent
Utility
US 5,397,013 · App. 08/255,563
One-piece fitment and tethered plug with tamper-evident means
Inventors:
Brian M. Adams, Daniel Luch
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Jun 8, 1994
Inventors
Brian M. Adams
Daniel Luch
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.