Granted Patent
Utility
US 5,980,735 · App. 08/995,447
Collection system for machine tool coolant
Inventor:
Jack R. Bratten
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Dec 22, 1997
Inventor
Jack R. Bratten
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.