Granted Patent
Utility
US 6,254,579 · App. 09/435,703
Multiple precision dose, preservative-free medication delivery system
Inventors:
John Joseph Cogger, David S. Haffner
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Nov 8, 1999
Inventors
John Joseph Cogger
David S. Haffner
Assignee (at issue)
ALLERGAN SALES, 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.