Granted Patent
Utility
US 4,291,413 · App. 06/080,105
Search type tuning system with direct address channel selection apparatus
Inventors:
John G. N. Henderson, Robert J. Maturo
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Sep 28, 1979
Inventors
John G. N. Henderson
Robert J. Maturo
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.