Granted Patent
Utility
US 4,727,425 · App. 06/870,557
Pixel color modification using look-up tables in image reproduction system
Inventors:
Clive Mayne, Samuel Darby
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Jun 4, 1986
Inventors
Clive Mayne
Samuel Darby
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.