Granted Patent
Utility
US 6,590,804 · App. 10/198,278
Adjustable current mode differential amplifier
Inventor:
Frederick Perner
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Jul 16, 2002
Inventor
Frederick Perner
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
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.