Granted Patent
Utility
US 5,848,622 · App. 08/897,661
Closure device and method for venting, cannulating and pressurizing a vessel
Inventor:
Christopher Kilcoin
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Jul 21, 1997
Inventor
Christopher Kilcoin
Assignee (at issue)
Argonaut 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.