Granted Patent
Utility
US 6,440,120 · App. 09/145,808
Bendable shape-retaining cannula
Inventor:
Tracy D. Maahs
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 2, 1998
Inventor
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.