Granted Patent
Utility
US 6,324,294 · App. 09/398,057
Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
Inventors:
Henry Azima, Martin Colloms, Christien Ellis
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Sep 17, 1999
Inventors
Henry Azima
Martin Colloms
Christien Ellis
Assignee (at issue)
New Transducers 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.