Granted Patent
Utility
US 5,341,818 · App. 07/994,679
Guidewire with superelastic distal portion
Inventors:
Robert M. Abrams, Randy S. Chan, Janet Burpee, Clifford Teoh
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Dec 22, 1992
Inventors
Robert M. Abrams
Randy S. Chan
Janet Burpee
Clifford Teoh
Assignee (at issue)
Advanced Cardiovascular 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.