Granted Patent
Utility
US 4,840,186 · App. 07/199,920
Implantable multi-pole coaxial lead
Inventors:
Anders Lekholm, Ulf Fahlstroem, Hermann Groothoff
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: May 27, 1988
Inventors
Anders Lekholm
Ulf Fahlstroem
Hermann Groothoff
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.