Granted Patent
Utility
US 4,722,342 · App. 06/874,588
Cardiac pacer for pacing a human heart and pacing method
Inventor:
David C. Amundson
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Jun 16, 1986
Inventor
David C. Amundson
Assignee (at issue)
Siemens Aktiengesellschaft
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.