Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320675 | Mandrel for the coaxial external machining of workpieces with internal toothing | Rudolf Kohlert | 1982-03-23 |
| 4308863 | External fixation device | — | 1982-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320675 | Mandrel for the coaxial external machining of workpieces with internal toothing | Rudolf Kohlert | 1982-03-23 |
| 4308863 | External fixation device | — | 1982-01-05 |