Granted Patent
Utility
US 4,741,341 · App. 06/839,233
Protection circuit and method for implanted ECG telemetry circuits
Inventor:
Ronald R. Marach
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Mar 12, 1986
Inventor
Ronald R. Marach
Assignee (at issue)
Siemens Pacesetter, 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.