Granted Patent
Utility
US 6,790,350 · App. 10/204,633
Membrane module for the separation of fluid mixtures
Inventors:
Petrus Paulus Antonius Catharina Pex, Hartmut Bruschke, Yvonne Christine Van Delft, Nicholas P. Wynn, Henk Martin Van Veen, Frank-Klaus Marggraff
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Dec 2, 2002
Inventors
Petrus Paulus Antonius Catharina Pex
Hartmut Bruschke
Yvonne Christine Van Delft
Nicholas P. Wynn
Henk Martin Van Veen
Frank-Klaus Marggraff
Assignee (at issue)
STICHTING ENERGIEONDERZOEK CENTRUM NEDERLAND
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.