Granted Patent
Utility
US 5,693,024 · App. 08/720,125
Iontophoretic drug delivery system, including method for determining hydration of patch
Inventor:
Ronald J. Flower
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Sep 27, 1996
Inventor
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.