Granted Patent
Utility
US 4,643,202 · App. 06/723,163
Multi-material insulation sheath for pacer lead
Inventor:
Thomas J. Roche
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Apr 15, 1985
Inventor
Thomas J. Roche
Assignee (at issue)
CORDIS CORPORATION
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.