Granted Patent
Utility
US 5,567,306 · App. 08/410,407
Lubricant filtering system
Inventor:
Gary DeWachter
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Mar 27, 1995
Inventor
Gary DeWachter
Assignee (at issue)
Reliance Electric Industrial Company
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.