Granted Patent
Utility
US 6,736,979 · App. 10/358,445
Device and process for treating a liquid medium
Inventors:
Eric Cordemans de Meulenaer, Baudouin Hannecart, Yves Canivet
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Feb 4, 2003
Inventors
Eric Cordemans de Meulenaer
Baudouin Hannecart
Yves Canivet
Assignee (at issue)
Ashland, Inc.
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.