Granted Patent
Utility
US 4,288,911 · App. 06/106,127
Method for qualifying biased integrated circuits on a wafer level
Inventor:
Kenneth A. Ports
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Dec 21, 1979
Inventor
Kenneth A. Ports
Assignee (at issue)
HARRIS 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.