Granted Patent
Utility
US 6,539,251 · App. 09/922,558
Ocular iontophoretic apparatus
Inventors:
Jon E. Beck, Alex Koss
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Aug 3, 2001
Inventors
Jon E. Beck
Alex Koss
Assignee (at issue)
IOMED, 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.