Granted Patent
Utility
US 4,495,458 · App. 06/431,852
Termination for high impedance attenuator
Inventor:
Desmond L. Murphy
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Sep 30, 1982
Inventor
Desmond L. Murphy
Assignee (at issue)
Tektronix, Inc.
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.