Granted Patent
Utility
US 5,122,791 · App. 07/099,376
Display device incorporating brightness control and a method of operating such a display
Inventors:
David John Gibbons, Andrew T. Rowley, Bernard J. Green, Ian Green
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Sep 21, 1987
Inventors
David John Gibbons
Andrew T. Rowley
Bernard J. Green
Ian Green
Assignee (at issue)
Thorn EMI plc
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.