Granted Patent
Utility
US 5,103,148 · App. 07/609,540
Low voltage circuit to control high voltage transistor
Inventors:
Kenneth A. Berringer, Robert B. Davies
Patented Case
View Patent ↗
Granted: Apr 7, 1992
Filed: Nov 6, 1990
Inventors
Kenneth A. Berringer
Robert B. Davies
Assignee (at issue)
Motorola, 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.