Assignee
CELFIL CO
4 patents
Top patents by PatentIndex Score
US4289725ASep 15, 1981
Material web for the manufacture of filter rods for tobacco products and apparatus and process for producing such web
CELFIL CO21 citations80
US4003684AJan 18, 1977
Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters
CELFIL CO19 citations67
US3930935AJan 6, 1976
Apparatus for making webs of filtering material for tobacco product filters, particularly cigarette filters
CELFIL CO11 citations67
US4285650AAug 25, 1981
Apparatus for producing tobacco product filter rods
CELFIL CO4 citations60