Granted Patent
Utility
US 4,447,792 · App. 06/319,139
Synthesizer circuit
Inventor:
Stephen R. Wynn
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Nov 9, 1981
Inventor
Stephen R. Wynn
Assignee (at issue)
General Electric Company
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.