Granted Patent
Utility
US 4,984,041 · App. 07/387,324
High voltage thin film transistor with second control electrode
Inventors:
Michael Hack, John G. Shaw
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Jul 28, 1989
Inventors
Michael Hack
John G. Shaw
Assignee (at issue)
Xerox 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.