Granted Patent
Utility
US 4,412,866 · App. 06/267,065
Method and apparatus for the sorption and separation of dissolved constituents
Inventors:
Karlheinz W. R. Schoenrock, Michael M. Kearney, D. Eugene Rearick
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: May 26, 1981
Inventors
Karlheinz W. R. Schoenrock
Michael M. Kearney
D. Eugene Rearick
Assignee (at issue)
The Amalgamated Sugar Company, LLC.
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.