Granted Patent
Utility
US 5,225,772 · App. 07/577,987
Automatic test equipment system using pin slice architecture
Inventors:
David K. Cheung, Egbert Graeve
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Sep 5, 1990
Inventors
David K. Cheung
Egbert Graeve
Assignee (at issue)
SCHLUMBERGER TECHNOLOGIES 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.