Granted Patent
Utility
US 6,668,063 · App. 10/091,404
Electrical apparatus with electro-acoustic transducer
Inventors:
Lionel Cimaz, Laurent Steenackers, Christian Bernard Gautier, Philippe Organo
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Mar 7, 2002
Inventors
Lionel Cimaz
Laurent Steenackers
Christian Bernard Gautier
Philippe Organo
Assignee (at issue)
MITSUBISHI ELECTRIC TELECOM EUROPE
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.