Granted Patent
Utility
US 4,841,971 · App. 07/172,967
Endocardial lead with projections having saw tooth formation
Inventor:
Stanley R. Hess
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Mar 29, 1988
Inventor
Stanley R. Hess
Assignee (at issue)
Cordis Leads, Inc.
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.