Granted Patent
Utility
US 4,730,210 · App. 06/765,888
Wideband analog RGB video processor with negative feedback capability and black level control
Inventor:
Roman W. Leshko
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Aug 14, 1985
Inventor
Roman W. Leshko
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.