Granted Patent
Utility
US 5,817,044 · App. 08/282,100
User activated iontophoertic device
Inventors:
Hans C. A. Evers, Bernt Fredrick Julius Broberg, John D. DeNuzzio, Randal A. Hoke
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jul 28, 1994
Inventors
Hans C. A. Evers
Bernt Fredrick Julius Broberg
John D. DeNuzzio
Randal A. Hoke
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.