Granted Patent
Utility
US 4,796,630 · App. 07/028,753
Cardiac pacemaker with combined defibrillation and electrosurgery protection
Inventor:
Richard C. Regna
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Mar 23, 1987
Inventor
Richard C. Regna
Assignee (at issue)
Telectronic SA
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.