Assignee
LI SAN
US4 patents
Top patents by PatentIndex Score
US10433581B2Oct 8, 2019
Electronic vaping device and cartridge for electronic vaping device
LI SAN2 citations72
US9060546B2Jun 23, 2015
Smoking article with a restrictor
LI SAN2 citations60
US8235057B2Aug 7, 2012
Smoking article with open ended filter and restrictor
LI SAN4 citations60
US8109277B2Feb 7, 2012
Smoking article filter with annular restrictor and downstream ventilation
LI SAN5 citations60