Granted Patent
Utility
US 4,592,863 · App. 06/662,895
Protein PP.sub.20, a process for obtaining it, and its use
Inventors:
Hans Bohn, Wilhelm Winckler
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Oct 19, 1984
Inventors
Hans Bohn
Wilhelm Winckler
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.