Granted Patent
Utility
US 4,547,747 · App. 06/474,489
Phase locked loop for high speed data
Inventors:
Dan H. Wolaver, Warren E. Little
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Mar 11, 1983
Inventors
Dan H. Wolaver
Warren E. Little
Assignee (at issue)
Federal Signal 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.