Granted Patent
Utility
US 5,531,848 · App. 08/443,187
Method of manufacturing of hollow fiber cartridge with porous ring
Inventors:
Paul D. Brinda, Louis C. Cosentino
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 17, 1995
Inventors
Paul D. Brinda
Louis C. Cosentino
Assignee (at issue)
MINNTECH CORPORATION
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.