Granted Patent
Utility
US 4,578,191 · App. 06/519,315
Bio-artificial ultrafiltration pancreas
Inventors:
Michel Jaffrin, Gerard Reach
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Aug 1, 1983
Inventors
Michel Jaffrin
Gerard Reach
Assignee (at issue)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
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.