Granted Patent
Utility
US 6,358,422 · App. 09/706,130
Method and apparatus for removing oil from water including monitoring of absorbent saturation
Inventors:
Jeffrey J. Smith, Jerald W. Darlington, Jr., Michael R. Johnson, John Occhipinti, Elmo Robichaux, Michael Berger
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Nov 3, 2000
Inventors
Jeffrey J. Smith
Jerald W. Darlington, Jr.
Michael R. Johnson
John Occhipinti
Elmo Robichaux
Michael Berger
Assignee (at issue)
AMCOL INTERNATIONAL CORPORATION
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.