Granted Patent
Utility
US 4,357,632 · App. 06/261,448
Search type tuning system with synchronization signal presence transition detector
Inventor:
Michael P. French
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: May 8, 1981
Inventor
Michael P. French
Assignee (at issue)
RCA Corporation
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.