Granted Patent
Utility
US 5,017,983 · App. 07/389,227
Amorphous silicon thin film transistor with a depletion gate
Inventor:
Biing-Seng Wu
Patented Case
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Granted: May 21, 1991
Filed: Aug 3, 1989
Inventor
Biing-Seng Wu
Assignee (at issue)
Industrial Technology Research Institute
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.