Granted Patent
Utility
US 5,458,569 · App. 08/073,923
Wearable iontophoresis system
Inventors:
Karl D. Kirk, III, James R. Toleman, Robert P. Pandorf, Ellen R. Cohen
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Jun 8, 1993
Inventors
Karl D. Kirk, III
James R. Toleman
Robert P. Pandorf
Ellen R. Cohen
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.