Granted Patent
Utility
US 6,679,270 · App. 09/971,091
Reduction of nitrosamines in tobacco and tobacco products
Inventors:
Nicolas Baskevitch, Lanig Le Bec, Diane Raverdy-Lambert
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Oct 3, 2001
Inventors
Nicolas Baskevitch
Lanig Le Bec
Diane Raverdy-Lambert
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.