Granted Patent
Utility
US 5,725,949 · App. 08/568,164
Hollow-fiber bundle and mass-transfer and/or heat exchanger
Inventors:
Renato Pasquali, Uwe Stein
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Dec 6, 1995
Inventors
Renato Pasquali
Uwe Stein
Assignee (at issue)
AKZO NOBEL N.V.
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.