Granted Patent
Utility
US 4,970,623 · App. 07/291,631
Peripheral device power activation circuit and method therefor
Inventor:
Robert R. Pintar
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Dec 29, 1988
Inventor
Robert R. Pintar
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.