Granted Patent
Utility
US 6,186,341 · App. 09/083,562
Integrity testable filtration unit using supported hydrophilic porous membranes
Inventors:
Peter Konstantin, Oscar-Werner Reif, Jürgen Rupp, Peter Soelkner
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 22, 1998
Inventors
Peter Konstantin
Oscar-Werner Reif
Jürgen Rupp
Peter Soelkner
Assignee (at issue)
Sartorius AG
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.