Granted Patent
Utility
US 4,791,403 · App. 07/080,187
Log encoder/decorder system
Inventors:
Joan LaVerne Mitchell, William B. Pennebaker, Gerald Goertzel
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Jul 28, 1987
Inventors
Joan LaVerne Mitchell
William B. Pennebaker
Gerald Goertzel
Assignee (at issue)
International Business Machines 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.