Granted Patent
Utility
US 4,743,839 · App. 06/945,202
Wide bandwidth probe using pole-zero cancellation
Inventor:
Kenneth McClellan Rush
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Dec 19, 1986
Inventor
Kenneth McClellan Rush
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.