Granted Patent
Utility
US 4,291,369 · App. 06/077,258
Voltage multiplier and driver circuit
Inventor:
Paul Hochstrate
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Sep 19, 1979
Inventor
Paul Hochstrate
Assignee (at issue)
Timex Corporation
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.