AB

Alfred Bollmann

BH Bochumer Eisenhütte Heintzmann: 1 patents #1 of 6Top 20%
📍 Bochum, DE: #6 of 40 inventorsTop 15%
Overall (1982): #77,329 of 81,411Top 95%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4309131 Mine roof support — 1982-01-05