Granted Patent
Utility
US 6,447,461 · App. 09/707,662
Method and system for conducting a hearing test using a computer and headphones
Inventor:
Steven Anthony Eldon
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Nov 7, 2000
Inventor
Steven Anthony Eldon
Assignee (at issue)
Sound ID
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.