Granted Patent
Utility
US 5,282,974 · App. 08/066,837
Method for removing soluble benzene from effluent water
Inventor:
Paul R. Hart
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: May 24, 1993
Inventor
Paul R. Hart
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.