Granted Patent
Utility
US 6,020,144 · App. 08/735,507
Sustained delivery device comprising a Leishmania protozoa and methods of making and using the same
Inventors:
Frederico J. Gueiros-Filho, Stephen M. Beverley, Dennis E. Vaccaro
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Oct 23, 1996
Inventors
Frederico J. Gueiros-Filho
Stephen M. Beverley
Dennis E. Vaccaro
Assignees (at issue)
Symbiontics, Inc.
Presidents and Fellows of Harvard University
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.