Granted Patent
Utility
US 6,527,979 · App. 09/384,860
Catheter systems and methods for their use in the treatment of calcified vascular occlusions
Inventors:
Brent R. Constantz, Peter Johansson, Erin McGurk
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Aug 27, 1999
Inventors
Brent R. Constantz
Peter Johansson
Erin McGurk
Assignee (at issue)
Corazon Technologies, 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.