Granted Patent
Utility
US 6,572,843 · App. 09/523,298
Method for treating hair
Inventors:
Niels Henrik Sorensen, Jason P. McDevitt
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Mar 10, 2000
Inventors
Niels Henrik Sorensen
Jason P. McDevitt
Assignee (at issue)
Novozymes 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.