Granted Patent
Utility
US 5,743,876 · App. 08/745,073
Catheter having shaft of varying stiffness
Inventor:
William J. Swanson
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Nov 7, 1996
Inventor
William J. Swanson
Assignee (at issue)
Schneider (USA) 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.