Granted Patent
Utility
US 5,202,884 · App. 07/722,686
Multiplexing scheme for modem control signals
Inventors:
Ciaran B. Close, Bryan T. Campbell, Una Quinlan
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Jun 28, 1991
Inventors
Ciaran B. Close
Bryan T. Campbell
Una Quinlan
Assignee (at issue)
Digital Equipment 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.