Granted Patent
Utility
US 4,403,408 · App. 06/274,902
Printed circuit card extracting tool
Inventors:
James V. Koppensteiner, Joseph B. Onesto
Patented Case
View Patent ↗
Granted: Sep 13, 1983
Filed: Jun 18, 1981
Inventors
James V. Koppensteiner
Joseph B. Onesto
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.