GH

Gerwin Holtmann

📍 Duisburg, DE: #420 of 870 inventorsTop 50%
Overall (All Time): #4,069,502 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328959 Method and device for removing used refractory lining and/or slag deposits from elongated vessels 1982-05-11