Granted Patent
Utility
US 4,626,835 · App. 06/668,768
RGBI digital video control system having intensity level control and overall image strength control
Inventors:
David K. Nienaber, Amir M. Sheikholeslami
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Nov 6, 1984
Inventors
David K. Nienaber
Amir M. Sheikholeslami
Assignee (at issue)
Zenith Electronics LLC
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.