Granted Patent
Utility
US 6,077,433 · App. 09/029,650
Process for simultaneous extraction of dispersed and dissolved hydrocarbon contaminants from water
Inventors:
Inge Brun Henriksen, Gary W. Pace
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: May 13, 1998
Inventors
Inge Brun Henriksen
Gary W. Pace
Assignee (at issue)
Cagniard de la Tour AS
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.