Granted Patent
Utility
US 4,314,753 · App. 06/168,025
Automatic inverse fix replenisher control
Inventor:
Kenneth M. Kaufmann
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Jul 14, 1980
Inventor
Kenneth M. Kaufmann
Assignee (at issue)
Pako 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.