Granted Patent
Utility
US 5,315,583 · App. 07/684,529
Method and apparatus for digital audio broadcasting and reception
Inventors:
John L. Murphy, Mark J. Rich
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Apr 11, 1991
Inventors
John L. Murphy
Mark J. Rich
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.