Granted Patent
Utility
US 6,290,689 · App. 09/425,826
Catheter devices and methods for their use in the treatment of calcified vascular occlusions
Inventors:
Dave Delaney, Peter Johansson, Brent R. Constantz
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Oct 22, 1999
Inventors
Dave Delaney
Peter Johansson
Brent R. Constantz
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.