Granted Patent
Utility
US 6,146,428 · App. 09/283,176
Enzymatic treatment of denim
Inventors:
Lisbeth Kalum, Bente Konggaard Andersen
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Apr 1, 1999
Inventors
Lisbeth Kalum
Bente Konggaard Andersen
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.