Granted Patent
Utility
US 5,665,380 · App. 08/420,324
Lipid vesicle fusion as a method of transmitting a biologically active material to a cell
Inventors:
Donald F. H. Wallach, Carole Varanelli
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Apr 11, 1995
Inventors
Donald F. H. Wallach
Carole Varanelli
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.