Inventor
DAHLGRUN ROLF
DE4 patents
Patents
4 patentsUS4193409AMar 18, 1980
Method and apparatus for regulating the permeability of wrapping material for rod-shaped smokers' products
HAUNI WERKE KOERBER & CO KG42 citations91
US4009722AMar 1, 1977
Method and machine for making cigarettes with composite fillers
HAUNI WERKE KOERBER & CO KG20 citations80
US4177670ADec 11, 1979
Method and apparatus for multiple testing of wrappers of cigarettes for porosity
HAUNI WERKE KOERBER & CO KG14 citations72
US4154090AMay 15, 1979
Process and apparatus for multiple testing of wrappers of cigarettes or the like
HAUNI WERKE KOERBER & CO KG13 citations72