Granted Patent
Utility
US 4,889,236 · App. 07/160,977
Credit card-style medication package
Inventors:
Ralph Bartell, Roger M. Boissonneault, Monica Blischok
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Feb 26, 1988
Inventors
Ralph Bartell
Roger M. Boissonneault
Monica Blischok
Assignee (at issue)
WARNER-LAMBERT COMPANY LLC
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.