Granted Patent
Utility
US 6,637,439 · App. 09/942,882
Tobacco smoking mixture for smoking articles such as cigarettes
Inventors:
Mohammad R. Hajaligol, A. Clifton Lilly, Jr.
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Aug 31, 2001
Inventors
Mohammad R. Hajaligol
A. Clifton Lilly, Jr.
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.