Granted Patent
Utility
US 4,590,601 · App. 06/685,702
Pseudo random framing detector circuit
Inventor:
Robert H. Beeman
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Dec 24, 1984
Inventor
Robert H. Beeman
Assignee (at issue)
GTE Communication Systems 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.