Second-hand smoke filtering device
Secondary smoke catcher
Secondary smoke filtration device
Segmented cigarette
Segmented cigarette
Segmented filter cigarette
Selective delivery and retention of aldehyde and nicotine by-pro
Selective delivery and retention of nicotine by-product from cig
Selective filtering of tobacco smoke by enhanced filtration effi
Selective filtration device
Selective gas phase filter material
Selectively tobacco shortened cigarette and method of use
Self deodorizing ash tray
Self extinguishing cigarette
Self igniting cigarette
Self-ejecting cigar core cutter
Self-extinguishing cigar or cigarette
Self-extinguishing cigarette, cigar, and the like
Self-extinguishing cigarettes
Self-extinguishing cigarettes