Granted Patent
Utility
US 4,452,359 · App. 06/328,300
Printed wiring card stiffener bracket
Inventor:
James V. Koppensteiner
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Dec 7, 1981
Inventor
James V. Koppensteiner
Assignee (at issue)
GTE Automatic Electric Labs 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.