Granted Patent
Utility
US 6,039,747 · App. 09/057,364
Rotational atherectomy device with improved optical tachometer
Inventors:
Leonid Shturman, Georgiy Morov, Vladimir Alekseevich Malgichev
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Apr 8, 1998
Inventors
Leonid Shturman
Georgiy Morov
Vladimir Alekseevich Malgichev
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.