Granted Patent
Utility
US 6,453,075 · App. 09/223,881
Method for preserving image detail when adjusting the tone scale of a digital color image
Inventors:
Andrew C. Gallagher, Edward B. Gindele
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Dec 31, 1998
Inventors
Andrew C. Gallagher
Edward B. Gindele
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.