Granted Patent
Utility
US 6,438,415 · App. 09/411,348
Method and apparatus for controlling the operation and functionality of an electrotherapy device
Inventor:
Daniel J. Powers
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Oct 1, 1999
Inventor
Daniel J. Powers
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.