HR

Hans-Joerg Rohrbach

📍 Balingen, DE: #52 of 172 inventorsTop 35%
Overall (All Time): #2,351,315 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4494928 Method and apparatus for producing expanded clay and expanded shale — 1985-01-22
4342554 Production of expanded clay and shale — 1982-08-03