Granted Patent
Utility
US 5,389,546 · App. 08/230,445
Method for determining and monitoring constituent concentration of an aqueous metalworking fluid
Inventor:
Giles J. P. Becket
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Apr 20, 1994
Inventor
Giles J. P. Becket
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.