Granted Patent
Utility
US 4,290,139 · App. 05/972,445
Synchronization of a data communication receiver with a received signal
Inventor:
Dale M. Walsh
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Dec 22, 1978
Inventor
Dale M. Walsh
Assignee (at issue)
General DataComm Industries, 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.