Granted Patent
Utility
US 6,571,801 · App. 09/705,537
Tobacco treatment process
Inventors:
Michael Wuolukka, Loney DeLeon Reed
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 3, 2000
Inventors
Michael Wuolukka
Loney DeLeon Reed
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.