Granted Patent
Utility
US 5,498,239 · App. 08/423,615
Catheter placement by pressurizable tubular guiding core
Inventors:
Zev Galel, Yi Yang
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Apr 17, 1995
Inventors
Zev Galel
Yi Yang
Assignee (at issue)
Guided Medical Systems, 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.