Granted Patent
Utility
US 5,159,062 · App. 07/467,551
Signal peptide for the secretion of peptides in Escherichia coli
Inventors:
Stefan Knapp, Egon Amann, Karl-Josef Abel
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Jan 19, 1990
Inventors
Stefan Knapp
Egon Amann
Karl-Josef Abel
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.