Granted Patent
Utility
US 4,337,869 · App. 06/225,878
Closure assembly
Inventor:
David P. Guinle
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Jan 19, 1981
Inventor
David P. Guinle
Assignee (at issue)
Owens-Illinois 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.