Granted Patent
Utility
US 6,299,584 · App. 09/285,938
Hand-held hearing screener apparatus and removable probe tip therefore
Inventor:
Steven J. Iseberg
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Apr 2, 1999
Inventor
Steven J. Iseberg
Assignee (at issue)
ETYMOTIC RESEARCH, 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.