Granted Patent
Utility
US 5,474,848 · App. 08/200,351
Paucilamellar lipid vesicles
Inventor:
Donald F. H. Wallach
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Feb 3, 1994
Inventor
Donald F. H. Wallach
Assignee (at issue)
Micro-Pak, 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.