Granted Patent
Utility
US 4,843,379 · App. 06/879,740
Color displays
Inventor:
Peter W. Stansfield
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jun 27, 1986
Inventor
Peter W. Stansfield
Assignee (at issue)
Crosfield Electronics (USA) Limited
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.