Granted Patent
Utility
US 5,883,927 · App. 08/690,036
Digital wireless telecommunication device for reduced interference with hearing aids
Inventors:
James S. Madsen, Richard K. Kornfeld
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jul 31, 1996
Inventors
James S. Madsen
Richard K. Kornfeld
Assignee (at issue)
NextWave Telecom 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.