Granted Patent
Utility
US 4,611,177 · App. 06/769,234
Signal demodulator using a multiplying digital-to-analog converter
Inventor:
Robert G. Dildine
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Aug 26, 1985
Inventor
Robert G. Dildine
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.