WK

Walter Kampen

RA Rhone-Poulenc Rhodia Aktinegesellschaft: 2 patents #7 of 24Top 30%
Overall (All Time): #2,301,288 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5203757 Method and apparatus for producing tobacco smoke filter rods — 1993-04-20
5106357 Method and apparatus for producing tobacco smoke filter rods — 1992-04-21