Granted Patent
Utility
US 5,488,736 · App. 08/274,653
Bidirectional programmable I/O driver array
Inventors:
Kimberly W. Keech, Robert J. Rothaus
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jul 13, 1994
Inventors
Kimberly W. Keech
Robert J. Rothaus
Assignee (at issue)
Hughes Aircraft Company
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.