JL

Johannes Lefferts

SG Siteg Siebtechnik Gmbh: 1 patents #1 of 1Top 100%
📍 Enschede, NL: #2 of 12 inventorsTop 20%
Overall (1989): #94,382 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796749 Spiral link belt with composite helices — 1989-01-10