Granted Patent
Utility
US 4,995,913 · App. 07/316,656
Low wash water silver halide film processor
Inventor:
Daniel F. Juers
Patented Case
View Patent ↗
Granted: Feb 26, 1991
Filed: Feb 28, 1989
Inventor
Daniel F. Juers
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.