Granted Patent
Utility
US 4,396,986 · App. 06/257,020
Digital DC power supply with current and voltage measurement
Inventor:
Emery Salesky
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Apr 24, 1981
Inventor
Emery Salesky
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.