Granted Patent
Utility
US 6,128,384 · App. 08/995,771
Self configuring telephone headset amplifier
Inventors:
Costas Papadopoulos, David J. Truesdell
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Dec 22, 1997
Inventors
Costas Papadopoulos
David J. Truesdell
Assignee (at issue)
VXi Corporation
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.