Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632614 | Composite tool unit for chip-removing machining | Gerhard Rall, Gunther Hertel, Karl Hertel | 1986-12-30 |
| 4580472 | Cutting tool with interchangeable tool head for machine tools | — | 1986-04-08 |
| 4214766 | Collet | Gerhard Rall | 1980-07-29 |