Granted Patent
Utility
US 5,809,164 · App. 08/612,123
System and method for color gamut and tone compression using an ideal mapping function
Inventor:
Bror O. Hultgren, III
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Mar 7, 1996
Inventor
Bror O. Hultgren, III
Assignee (at issue)
Polaroid Corporation
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.