Granted Patent
Utility
US 6,395,182 · App. 09/555,191
METHOD FOR PURIFYING WATER, IN PARTICULAR GROUND WATER, UNDER ANAEROBIC CONDITIONS, USING A MEMBRANE FILTRATION UNIT, A DEVICE FOR PURIFYING WATER, AS WELL AS DRINKING WATER OBTAINED BY USING SUCH A METHOD
Inventors:
Jacobus Cornelis Van Winkelen, Walterus Gijsbertus Joseph Van Der Meer
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Jul 20, 2000
Inventors
Jacobus Cornelis Van Winkelen
Walterus Gijsbertus Joseph Van Der Meer
Assignee (at issue)
Barrett Enclosures, 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.