Granted Patent
Utility
US 4,339,731 · App. 06/156,534
Stable, fast slew, phase locked loop
Inventor:
Tello D. Adams
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jun 5, 1980
Inventor
Tello D. Adams
Assignee (at issue)
Rockwell International 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.