Granted Patent
Utility
US 6,512,646 · App. 09/475,909
Impedance-matched write circuit
Inventors:
John D. Leighton, Raymond Barnett, Tuan V. Ngo
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Dec 30, 1999
Inventors
John D. Leighton
Raymond Barnett
Tuan V. Ngo
Assignee (at issue)
Agere Systems 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.