Granted Patent
Utility
US 6,568,401 · App. 09/600,777
Process for providing cut filler for cigarettes
Inventors:
Brian Salmon, Antonio Frattolillo
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Oct 5, 2000
Inventors
Brian Salmon
Antonio Frattolillo
Assignee (at issue)
Philip Morris Inc.
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.