Granted Patent
Utility
US 5,869,617 · App. 08/538,889
High and low molecular weight fractions of von Willebrand Factor and preparations of same
Inventors:
Bernhard Fischer, Artur Mitterer, Friedrich Dorner
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Oct 4, 1995
Inventors
Bernhard Fischer
Artur Mitterer
Friedrich Dorner
Assignee (at issue)
Immuno Aktiengesellschaft
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.