Granted Patent
Utility
US 4,573,152 · App. 06/494,323
Switch matrix test and control system
Inventors:
Richard Greene, Gladstone F. Young, Gary E. Tom, Harry G. Schaffer, John S. Foote
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: May 13, 1983
Inventors
Richard Greene
Gladstone F. Young
Gary E. Tom
Harry G. Schaffer
John S. Foote
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.