Granted Patent
Utility
US 5,897,566 · App. 08/679,470
Rotational atherectomy device
Inventors:
Leonid Shturman, Andrei Nevzorov
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Jul 15, 1996
Inventors
Leonid Shturman
Andrei Nevzorov
Assignee (at issue)
Shturman Cardiology Systems
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.