Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817268 | Method of and arrangement for exchanging tool holders in working units for working of workpieces | Manfred Hofmann, Dietrich Geiger | 1989-04-04 |
| 4646421 | Arrangement for exchanging tool holders in working units for working of workpieces | Manfred Hofmann, Dietrich Geiger | 1987-03-03 |