Granted Patent
Utility
US 5,701,309 · App. 07/984,645
Automated test equipment digital tester expansion apparatus
Inventors:
Kevin Gearhardt, Darrell L. Pruehsner
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Dec 2, 1992
Inventors
Kevin Gearhardt
Darrell L. Pruehsner
Assignees (at issue)
AT&T Global Information Solutions Company
Hyundai Electronics America
Symbios Logic Inc.
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.