Granted Patent
Utility
US 4,748,403 · App. 06/826,473
Apparatus for measuring circuit element characteristics with VHF signal
Inventor:
Toshio Tamamura
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Feb 5, 1986
Inventor
Toshio Tamamura
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.