Granted Patent
Utility
US 4,868,792 · App. 07/165,968
Difar demultiplexer test circuit
Inventor:
Gilbert R. Grado
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 9, 1988
Inventor
Gilbert R. Grado
Assignee (at issue)
Rockwell International 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.