Granted Patent
Utility
US 6,171,328 · App. 09/437,097
Intravascular catheter filter with interlocking petal design and methods of use
Inventor:
Bruce Addis
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Nov 9, 1999
Inventor
Bruce Addis
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.