Granted Patent
Utility
US 6,611,141 · App. 09/868,948
Hybrid 3-D probe tracked by multiple sensors
Inventors:
Waldean A. Schulz, Ivan Faul
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Sep 17, 2001
Inventors
Waldean A. Schulz
Ivan Faul
Assignee (at issue)
Howmedica Leibinger 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.