Granted Patent
Utility
US 4,442,412 · App. 06/320,433
Phase locked-loop generator with closed-loop forcing function shaper
Inventors:
Edwin B. Smith, Richard A. Craft
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: Nov 12, 1981
Inventors
Edwin B. Smith
Richard A. Craft
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.