Granted Patent
Utility
US 4,949,031 · App. 07/177,749
Environmental stress screening apparatus for electronic products
Inventors:
Norbert I. Szasz, Russell G. Shaw
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Apr 5, 1988
Inventors
Norbert I. Szasz
Russell G. Shaw
Assignee (at issue)
Federal Signal 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.