Granted Patent
Utility
US 4,603,438 · App. 06/655,691
Tuning system with provisions for skipping nonpreferred tuning positions
Inventor:
Paul D. Filliman
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Sep 28, 1984
Inventor
Paul D. Filliman
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.