Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814657 | Grinding wheel with grinding members | Rolf Spangenberg | 2004-11-09 |
| 6811476 | Grinding device with a suction hood | — | 2004-11-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814657 | Grinding wheel with grinding members | Rolf Spangenberg | 2004-11-09 |
| 6811476 | Grinding device with a suction hood | — | 2004-11-02 |