Granted Patent
Utility
US 5,738,647 · App. 08/722,813
User activated iontophoretic device and method for activating same
Inventors:
Michael I. Bernhard, John D. DeNuzzio
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Sep 27, 1996
Inventors
Michael I. Bernhard
John D. DeNuzzio
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.