Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766753 | Rolling apparatus for surface hardening or smoothing | Garri Berstein, Rudolf Winkens | 1988-08-30 |
| 4747285 | Surface-hardening or smoothing rolling machine | Garri Berstein, Rudolf Winkens | 1988-05-31 |
| 4747286 | Rolling apparatus | Garri Berstein, Rudolf Winkens | 1988-05-31 |
| 4539831 | Method for setting the stroke of movable rolling units, and crankshaft rolling machine for implementing said method | Garri Berstein, Rudolf Winkens | 1985-09-10 |
| 4405266 | Deep drilling machine | Bernard Kunze, Matthias Hermanns | 1983-09-20 |
| 4195957 | Boring tool with floating double edged knife | Helmut Wittkopp, Garrj Berstein, Lothar Heymanns | 1980-04-01 |