Granted Patent
Utility
US 4,967,173 · App. 07/396,506
Short airline calibration standards and methods for error-corrected microwave network analysis
Inventor:
Paul B. Watson
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Aug 21, 1989
Inventor
Paul B. Watson
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.