Granted Patent
Utility
US 5,837,517 · App. 08/642,987
Protease variants and compositions
Inventors:
Laurens Nicolaas Sierkstra, Jan Klugkist, Peter Markvardsen, Claus von der Osten, Peter Bauditz
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: May 6, 1996
Inventors
Laurens Nicolaas Sierkstra
Jan Klugkist
Peter Markvardsen
Claus von der Osten
Peter Bauditz
Assignee (at issue)
Novo Nordisk A/S
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.