Granted Patent
Utility
US 6,116,616 · App. 09/056,224
Sealing arrangement for machine/tool coolant collection troughs
Inventor:
Jack R. Bratten
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Apr 7, 1998
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.