Granted Patent
Utility
US 4,841,228 · App. 07/072,070
Apparatus for indicating the resistive characteristic of a capacitor
Inventors:
Hitoshi Noguchi, Hideki Wakamatsu
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Jul 10, 1987
Inventors
Hitoshi Noguchi
Hideki Wakamatsu
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.