EI

Erwin Isler

HA H. Weidmann A.G.: 4 patents #1 of 5Top 20%
Overall (All Time): #1,300,031 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5022791 Process, anchoring member, and clamping device for clamping a rod 1991-06-11
4664573 Mine wall support anchor Hans R. Wey 1987-05-12
4538940 Arrangement for force transfer between longitudinally stressed members 1985-09-03
4523880 Tie rod assembly for rock borehole anchor 1985-06-18