Granted Patent
Utility
US 4,873,983 · App. 07/148,906
Steerable guidewire for vascular system
Inventor:
R. Edward Winters
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Jan 27, 1988
Inventor
R. Edward Winters
Assignee (at issue)
Advanced Biomedical Devices 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.