Granted Patent
Utility
US 5,379,457 · App. 08/083,449
Low noise active mixer
Inventor:
Nhat Nguyen
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Jun 28, 1993
Inventor
Nhat Nguyen
Assignee (at issue)
Hewlett-Packard 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.