Granted Patent
Utility
US 6,214,370 · App. 09/291,571
Method and device for administering analgesics
Inventors:
Timothy S. Nelson, Matthew A. Bergan
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Apr 9, 1999
Inventors
Timothy S. Nelson
Matthew A. Bergan
Assignee (at issue)
Medtronic, 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.