CENTRIFILTER by Voith Paper Inc. (Track this)
Intl: (007) Machinery US: 023 Filing date: 31-Aug-1984 Serial number: 73497329
MULTIFILTER by Philip Morris USA Inc. (Track this)
Intl: (034) Smokers' articles US: 017 Filing date: 20-Nov-1969 Serial number: 72344136