Granted Patent
Utility
US 6,712,798 · App. 10/101,544
Multilumen catheters and methods for their use
Inventor:
Brent R. Constantz
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Mar 18, 2002
Inventor
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.