Granted Patent
Utility
US 4,866,037 · App. 06/819,557
Polypeptide factors from colostrum
Inventor:
Guy Delespesse
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Jan 17, 1986
Inventor
Guy Delespesse
Assignee (at issue)
Ciba-Geigy
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.