Granted Patent
Utility
US 6,764,472 · App. 09/481,298
Implantable refillable infusion device
Inventors:
Paul Burke, Kenneth A. Fine
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jan 11, 2000
Inventors
Paul Burke
Kenneth A. Fine
Assignee (at issue)
Bard Access Systems, 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.