Granted Patent
Utility
US 6,285,221 · App. 09/630,494
Impedance-matched, voltage-mode H-bridge write drivers
Inventors:
John D. Leighton, Eric Groen
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Aug 2, 2000
Inventors
John D. Leighton
Eric Groen
Assignee (at issue)
Agere Systems Guardian 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.