WJ

Willi Johnen

OG Otto Junker Gmbh: 1 patents #2 of 24Top 9%
📍 Roetgen, DE: #45 of 74 inventorsTop 65%
Overall (All Time): #3,442,817 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6862818 Oil removing device for cleaning pipes that are present in the form of coils Glynn Jones 2005-03-08