Granted Patent
Utility
US 4,374,437 · App. 06/220,619
Variable ramp speed TV tuning system for rapid channel tuning
Inventors:
Richard W. Citta, Scott L. Falater
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Dec 29, 1980
Inventors
Richard W. Citta
Scott L. Falater
Assignee (at issue)
Zenith Radio 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.