Granted Patent
Utility
US 5,974,306 · App. 08/908,995
Time-share I-Q Mixer system with distribution switch feeding in-phase and quadrature polarity inverters
Inventors:
Thomas Hornak, Knud KNUDSEN
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Aug 8, 1997
Inventors
Thomas Hornak
Knud KNUDSEN
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.