Granted Patent
Utility
US 6,094,497 · App. 09/289,012
Loudspeaker system having back pressure equalization
Inventor:
David S. Mohler
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Apr 9, 1999
Inventor
David S. Mohler
Assignee (at issue)
LUCENT TECHNOLOGIES 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.