Granted Patent
Utility
US 4,149,542 · App. 05/763,429
Endocardial electrode
Inventor:
Anders Thorén
Patented Case
View Patent ↗
Granted: Apr 17, 1979
Filed: Jan 28, 1977
Inventor
Anders Thorén
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.