Granted Patent
Utility
US 6,325,252 · App. 09/552,551
Closure dispensing engine with attached outer decoative shell
Inventors:
Leonora M. Brozell, Richard D. Lohrman
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Apr 19, 2000
Inventors
Leonora M. Brozell
Richard D. Lohrman
Assignee (at issue)
Owens-Illinois Closure 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.