Granted Patent
Utility
US 4,467,392 · App. 06/412,572
Capacitor resistor
Inventor:
Frederick W. MacDougall
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Aug 30, 1982
Inventor
Frederick W. MacDougall
Assignee (at issue)
Aerovox
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.