Granted Patent
Utility
US 5,857,994 · App. 08/724,414
Awakenable iontophoretic/delivery device for reducing electrical sensation upon application thereof
Inventor:
Ronald J. Flower
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Oct 1, 1996
Inventor
Ronald J. Flower
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.