Granted Patent
Utility
US 6,201,873 · App. 09/092,851
Loudspeaker-dependent audio compression
Inventor:
David Dal Farra
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Jun 8, 1998
Inventor
David Dal Farra
Assignee (at issue)
Nortel Networks Limited
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.