Granted Patent
Utility
US 5,767,739 · App. 08/792,924
Digital demodulator for quadrature amplitude and phase modulated signals
Inventor:
Franz-Otto Witte
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Jan 21, 1997
Inventor
Franz-Otto Witte
Assignee (at issue)
Deutsche ITT Industries, GmbH
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.