Granted Patent
Utility
US 5,830,837 · App. 08/343,804
Amylase variants
Inventors:
Henrik Bisgard-Frantzen, Torben Vedel Borchert, Allan Svendsen, Marianne Thellersen, Pia Van der Zee
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Nov 22, 1994
Inventors
Henrik Bisgard-Frantzen
Torben Vedel Borchert
Allan Svendsen
Marianne Thellersen
Pia Van der Zee
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.