Granted Patent
Utility
US 6,562,020 · App. 09/483,634
Kits for use in the treatment of vascular calcified lesions
Inventors:
Brent R. Constantz, Peter Johansson
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 14, 2000
Inventors
Brent R. Constantz
Peter Johansson
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.