Granted Patent
Utility
US 4,481,467 · App. 06/288,251
Break-away test probe
Inventors:
John B. Alexandersen, Ivan J. Karolik
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Jul 30, 1981
Inventors
John B. Alexandersen
Ivan J. Karolik
Assignee (at issue)
AT&T Technologies Incorporated
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.