Granted Patent
Utility
US 4,692,713 · App. 06/807,629
Read only memory control circuit for use in a phase lock loop
Inventors:
Brian Cordwell, Paul M. Hayes
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Dec 11, 1985
Inventors
Brian Cordwell
Paul M. Hayes
Assignee (at issue)
Plessey Overseas Limited
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.