Granted Patent
Utility
US 6,764,484 · App. 09/822,708
C-channel to o-channel converter for a single operator exchange biliary catheter
Inventors:
Kevin Richardson, Michael Mangano
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Mar 30, 2001
Inventors
Kevin Richardson
Michael Mangano
Assignee (at issue)
Scimed Life Systems, 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.