Granted Patent
Utility
US 5,781,040 · App. 08/742,787
Transformer isolated driver for power transistor using frequency switching as the control signal
Inventor:
Richard C. Myers
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Oct 31, 1996
Inventor
Richard C. Myers
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.