Granted Patent
Utility
US 4,274,067 · App. 06/079,653
Universal clock recovery network for QPSK modems
Inventor:
Vasil Uzunoglu
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Sep 27, 1979
Inventor
Vasil Uzunoglu
Assignee (at issue)
Communications Satellite 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.