Granted Patent
Utility
US 6,040,121 · App. 09/313,952
Two-stage processing of low silver black-and-white photographic elements
Inventors:
Alan S. Fitterman, Robert E. Dickerson
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: May 18, 1999
Inventors
Alan S. Fitterman
Robert E. Dickerson
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.