Granted Patent
Utility
US 5,891,338 · App. 08/632,850
Heat-sterilizable membrane
Inventors:
Carl-Martin Bell, Reinhold Buck, Barbara Thome, Markus Storr, Hermann Gohl
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Apr 16, 1996
Inventors
Carl-Martin Bell
Reinhold Buck
Barbara Thome
Markus Storr
Hermann Gohl
Assignee (at issue)
Gambro Dialysatoren GmbH
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.