Granted Patent
Utility
US 5,938,623 · App. 08/780,687
Guide wire with adjustable stiffness
Inventors:
Dignah B. Quiachon, Robert Andrew Guziak, Dennis L. Brooks, Deepak Gandhi, Mir Imran, Roger J. Guidi
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jan 8, 1997
Inventors
Dignah B. Quiachon
Robert Andrew Guziak
Dennis L. Brooks
Deepak Gandhi
Mir Imran
Roger J. Guidi
Assignee (at issue)
Intella Interventional 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.