Granted Patent
Utility
US 4,689,582 · App. 06/923,640
Phase-lock-loop circuit for a television apparatus
Inventors:
Alvin R. Balaban, Steven A. Steckler
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Oct 27, 1986
Inventors
Alvin R. Balaban
Steven A. Steckler
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.