Granted Patent
Utility
US 4,722,341 · App. 06/910,999
Atrium-controlled heart pacemaker
Inventors:
Sven-Erik Hedberg, Anders Lekholm, Anders Lindgren
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Sep 24, 1986
Inventors
Sven-Erik Hedberg
Anders Lekholm
Anders Lindgren
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.