Granted Patent
Utility
US 4,467,253 · App. 06/337,208
Differential signal decoder
Inventor:
David Coyne
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Jan 5, 1982
Inventor
David Coyne
Assignee (at issue)
Burroughs, 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.