Granted Patent
Utility
US 6,499,487 · App. 09/642,570
Implantable cerebral protection device and methods of use
Inventors:
John McKenzie, Sachiko Hattori
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 17, 2000
Inventors
John McKenzie
Sachiko Hattori
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.