Granted Patent
Utility
US 5,538,510 · App. 08/189,209
Catheter having coextruded tubing
Inventors:
Carlos A. Fontirroche, Stephen J. Querns
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Jan 31, 1994
Inventors
Carlos A. Fontirroche
Stephen J. Querns
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.