Granted Patent
Utility
US 5,639,376 · App. 08/347,564
Process for simultaneously removing leukocytes and methylene blue from plasma
Inventors:
Eric Kin-Lam Lee, Yves Fouron, Franco Castino, Charles M. Zepp, Abdul R. M. Azad
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Nov 30, 1994
Inventors
Eric Kin-Lam Lee
Yves Fouron
Franco Castino
Charles M. Zepp
Abdul R. M. Azad
Assignee (at issue)
Hemasure, Inc.
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.