Granted Patent
Utility
US 4,639,087 · App. 06/639,001
Displays having pixels with two portions and capacitors
Inventor:
Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Aug 8, 1984
Inventor
Vincent D. Cannella
Assignee (at issue)
Energy Conversion Devices, 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.