Granted Patent
Utility
US 6,503,207 · App. 09/782,771
Multi-mode audiometric device and associated screening method
Inventor:
Robert T. Stone
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 13, 2001
Inventor
Robert T. Stone
Assignee (at issue)
Natus Medical Incorporated
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.