Granted Patent
Utility
US 6,772,767 · App. 10/237,837
Process for reducing nitrogen containing compounds and lignin in tobacco
Inventors:
John-Paul Mua, Brad Hayes, Kenneth Bradley
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Sep 9, 2002
Inventors
John-Paul Mua
Brad Hayes
Kenneth Bradley
Assignee (at issue)
Brown & Williamson Tobacco Corporation
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.