Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |