Granted Patent
Utility
US 6,441,865 · App. 08/924,286
Photographic system using chroma-key processing
Inventor:
Keith R. Hailey
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 5, 1997
Inventor
Keith R. Hailey
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.