Granted Patent
Utility
US 6,120,465 · App. 08/847,308
Virtual probe for a stereotactic digitizer for use in surgery
Inventors:
Barton L. Guthrie, Robert A. Daniels
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Apr 24, 1997
Inventors
Barton L. Guthrie
Robert A. Daniels
Assignee (at issue)
Radionics Software Applications, 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.