Granted Patent
Utility
US 5,540,669 · App. 08/566,318
Iontophoretic drug delivery system and method for using same
Inventors:
Burton H. Sage, Jr., Ronald J. Flower
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Dec 1, 1995
Inventors
Burton H. Sage, Jr.
Ronald J. Flower
Assignee (at issue)
BECTON, DICKINSON AND COMPANY
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.