Granted Patent
Utility
US 4,771,234 · App. 06/933,403
Vacuum actuated test fixture
Inventors:
Stephen J. Cook, Kris J. Kanack
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Nov 20, 1986
Inventors
Stephen J. Cook
Kris J. Kanack
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.