Granted Patent
Utility
US 5,543,002 · App. 08/296,728
Method of manufacture of hollow fiber filter cartridge with porous ring
Inventors:
Paul D. Brinda, Louis C. Cosentino
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Aug 26, 1994
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.