Granted Patent
Utility
US 6,423,086 · App. 09/691,641
Cannula with associated filter and methods of use during cardiac surgery
Inventors:
Denise Barbut, Tracy D. Maahs
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Oct 18, 2000
Inventors
Denise Barbut
Tracy D. Maahs
Assignee (at issue)
Embolx, 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.