Granted Patent
Utility
US 4,853,228 · App. 07/078,834
Method of manufacturing unilamellar lipid vesicles
Inventors:
Donald F. H. Wallach, Jean Philippot
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Jul 28, 1987
Inventors
Donald F. H. Wallach
Jean Philippot
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.