Granted Patent
Utility
US 5,904,663 · App. 08/902,727
Method of removing beta-2 microglobulin from blood
Inventors:
Andrew Braverman, Vadim Davankov
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Jul 30, 1997
Inventors
Andrew Braverman
Vadim Davankov
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.