Granted Patent
Utility
US 4,939,723 · App. 07/362,905
Bit-channel multiplexer/demultiplexer
Inventors:
Thomas J. Harley, Jr., Philip F. Zimmers
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Jun 7, 1989
Inventors
Thomas J. Harley, Jr.
Philip F. Zimmers
Assignee (at issue)
Ford Aerospace 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.