A YIELDING SPIRAL BOLT APPENDAGE FOR A ROCK BOLT
- Application ID: EP10847636
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Cunow Patentanwalts KG is specialized in E21. Cunow Patentanwalts KG is specialised in E21 (EARTH OR ROCK DRILLING; MINING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.