Granted Patent
Utility
US 5,320,597 · App. 07/652,855
Device and method for renewing electrodes during iontophoresis
Inventors:
Burton H. Sage, Jr., Carl Randolph Bock
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Feb 8, 1991
Inventors
Burton H. Sage, Jr.
Carl Randolph Bock
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.