Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123791 | Rock anchor | Gottfried Rockenfeller | 1992-06-23 |
| 4906149 | Wall plug anchor assembly for mounting in a preformed hole | Gottfried Rockenfeller | 1990-03-06 |
| 4727693 | Apparatus for anchoring a traction member in the ground | Gottfried Rockenfeller | 1988-03-01 |
| 4727694 | Apparatus for anchoring a traction member in the ground | Gottfried Rockenfeller | 1988-03-01 |
| 4718802 | Sawtooth-profile nail | Gottfried Rockenfeller | 1988-01-12 |
| 4706345 | Clamping device for a traction member, particularly for a rope, cable belt, cord or the like | Gottfried Rockenfeller, Friedheim Kunze | 1987-11-17 |
| 4572720 | Wood screw | Gottfried Rockenfeller | 1986-02-25 |