Granted Patent
Utility
US 5,878,089 · App. 08/803,699
Coherent signal detector for AM-compatible digital audio broadcast waveform recovery
Inventors:
Mark J. Dapper, Barry W. Carlin, Michael J. Geile
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Feb 21, 1997
Inventors
Mark J. Dapper
Barry W. Carlin
Michael J. Geile
Assignee (at issue)
USA Digital Radio Partners, LP
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.