Granted Patent
Utility
US 4,463,760 · App. 06/404,713
Implantable heart pacemaker
Inventor:
Hakan Elmovist
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Aug 3, 1982
Inventor
Hakan Elmovist
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.