Granted Patent
Utility
US 4,828,730 · App. 07/124,211
Alkali metal aluminum silicate containing metal working fluid compositions and processes for machining metal employing such compositions
Inventor:
Albertus M. H. Molmans
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Nov 23, 1987
Inventor
Albertus M. H. Molmans
Assignee (at issue)
Cincinnatti Milacron Inc.
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.