Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354771 | Cutting or breaking tool as well as cutting insert for the latter | Heinrich Bauschulte, Marco Schumann, Wolfgang Wald, Martina Stuckardt, Reinhold Walter | 2002-03-12 |
| 6343842 | Roller bit for tunnel-driving machines with segmented cutting rings | Klaus Sauer, Guenter Fennel, Bernd Heinrich Ries, Reinhold Walter | 2002-02-05 |