Granted Patent
Utility
US 6,144,193 · App. 08/758,643
Isolated transformer coupled gate drive for signals having variable duty cycle
Inventor:
Lewis Illingworth
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 27, 1996
Inventor
Lewis Illingworth
Assignee (at issue)
Avionic Instruments, Inc.
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.