Granted Patent
Utility
US 6,638,288 · App. 09/552,739
Eccentric drive shaft for atherectomy device and method for manufacture
Inventors:
Leonid Shturman, Andrei Nevzorov, Mikhail Spassky
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Apr 18, 2000
Inventors
Leonid Shturman
Andrei Nevzorov
Mikhail Spassky
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.