Granted Patent
Utility
US 6,743,252 · App. 09/464,895
Cannula stent
Inventors:
Brian L. Bates, Dale Berry, Neal E. Fearnot, Coy M. Herald, Palle Munk Hansen, Jesper Thyregod
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Dec 16, 1999
Inventors
Brian L. Bates
Dale Berry
Neal E. Fearnot
Coy M. Herald
Palle Munk Hansen
Jesper Thyregod
Assignees (at issue)
Cook Regentec LLC
William Cook Europe ApS
MED Institute 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.