Granted Patent
Utility
US 4,312,354 · App. 06/118,060
Pacemaker with circuit for pulse width modulating stimulus pulses in accordance with programmed parameter control states
Inventor:
Robert A. Walters
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Feb 4, 1980
Inventor
Robert A. Walters
Assignee (at issue)
ARCO Medical Products 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.