DK

Dirk Kalkhoff

SG Sms Group Gmbh: 1 patents #4 of 70Top 6%
📍 Rheydt, DE: #5 of 29 inventorsTop 20%
Overall (2020): #490,428 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10722933 Ring-rolling machine and method for lifting and lowering the mandrel roll of a ring-rolling machine Felix Rodermund-Gebhart 2020-07-28