Granted Patent
Utility
US 6,731,977 · App. 09/766,767
Iontophoretic electrode with improved current distribution
Inventor:
Jon E. Beck
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jan 22, 2001
Inventor
Jon E. Beck
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.