Granted Patent
Utility
US 4,569,063 · App. 06/506,562
Digital phase locking arrangement for synchronizing digital span data
Inventor:
Thomas J. Perry
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jun 22, 1983
Inventor
Thomas J. Perry
Assignee (at issue)
GTE Automatic Electric Incorporated
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.