Granted Patent
Utility
US 4,697,591 · App. 06/874,591
Cardiac pacer for pacing a human heart and pacing method
Inventors:
Anders Lekholm, David C. Amundson
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jun 16, 1986
Inventors
Anders Lekholm
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.