Granted Patent
Utility
US 5,897,536 · App. 08/936,051
Catheter having a controllable stiffness and adapted for use with various contrast media
Inventors:
Cornelis Philipus Nap, Frans Mous, Wenzel F. Hurtak
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Sep 23, 1997
Inventors
Cornelis Philipus Nap
Frans Mous
Wenzel F. Hurtak
Assignee (at issue)
Cordis Europa N.V.
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.