Granted Patent
Utility
US 6,048,545 · App. 08/681,303
Liposomal delivery by iontophoresis
Inventors:
Brian Charles Keller, Daniel L. Fisher, Stefan Kiss, Michael Mezei
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Jul 22, 1996
Inventors
Brian Charles Keller
Daniel L. Fisher
Stefan Kiss
Michael Mezei
Assignee (at issue)
BioZone Laboratories, 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.