Granted Patent
Utility
US 5,348,183 · App. 07/939,838
Tamper-evident, initially unitary, fitment and closure
Inventors:
Daniel Luch, Brian M. Adams, Rawson Chenault
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Sep 2, 1992
Inventors
Daniel Luch
Brian M. Adams
Rawson Chenault
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.