Granted Patent
Utility
US 6,268,487 · App. 08/648,235
Purification of biologically active peptides from milk
Inventors:
Joseph P. Kutzko, Michael L. Hayes, Lee T. Sherman
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: May 13, 1996
Inventors
Joseph P. Kutzko
Michael L. Hayes
Lee T. Sherman
Assignee (at issue)
Genzyme Transegenic 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.