Granted Patent
Utility
US 6,313,717 · App. 09/374,510
Acoustic filter with two different channels with compensation for rejection
Inventors:
Pierre Dufilie, Stephane Chamaly
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Aug 16, 1999
Inventors
Pierre Dufilie
Stephane Chamaly
Assignee (at issue)
Thomson-CSF
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.