Granted Patent
Utility
US 5,069,679 · App. 07/435,517
Method and apparatus for removing venous valves
Inventor:
Syde A. Taheri
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: Nov 13, 1989
Inventor
Syde A. Taheri
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.