Granted Patent
Utility
US 6,569,413 · App. 09/833,364
Hair fixative composition containing an anionic polymer
Inventors:
Yin Z. Hessefort, Douglas E. Betts, Wayne M. Carlson
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Apr 12, 2001
Inventors
Yin Z. Hessefort
Douglas E. Betts
Wayne M. Carlson
Assignee (at issue)
Ondeo Nalco Company
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.