Granted Patent
Utility
US 6,731,797 · App. 09/808,285
Color dependent luminance processing
Inventor:
Wayne E. Prentice
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Mar 14, 2001
Inventor
Wayne E. Prentice
Assignee (at issue)
EASTMAN KODAK COMPANY
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.