Granted Patent
Utility
US 5,797,867 · App. 08/722,816
Iontophoretic drug delivery system, including method for activating same for attachment to patient
Inventors:
Stephen K. Guerrera, Michael I. Bernhard
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Sep 27, 1996
Inventors
Stephen K. Guerrera
Michael I. Bernhard
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.