Granted Patent
Utility
US 5,367,054 · App. 08/045,061
Large-scale purification of egg immunoglobulin
Inventor:
Young-Zoon Lee
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Apr 12, 1993
Inventor
Young-Zoon Lee
Assignee (at issue)
Stolle Research & Development Corporation
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.