Granted Patent
Utility
US 4,246,545 · App. 06/009,380
Data signal responsive phase locked loop using averaging and initializing techniques
Inventor:
Frederick Reisfeld
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Feb 2, 1979
Inventor
Frederick Reisfeld
Assignee (at issue)
Burroughs, Inc.
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.