Granted Patent
Utility
US 6,208,891 · App. 08/835,153
Disabling circuit for an iontophoretic system
Inventor:
Ronald J. Flower
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Apr 4, 1997
Inventor
Ronald J. Flower
Assignee (at issue)
Drug Delivery Technologies, Inc.
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.