Granted Patent
Utility
US 4,602,637 · App. 06/569,979
Heart pacemaker system
Inventors:
Hakan Elmqvist, Konrad Mund
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Jan 11, 1984
Inventors
Hakan Elmqvist
Konrad Mund
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.