Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601424 | Tool for deep rolling grooves of crankshaft journals or crank pins | — | 2003-08-05 |
| 6393886 | Laterally floating roller cage | — | 2002-05-28 |
| 6389861 | Roller cage | Herbert Kalb, Frank Risters, Hans Zimmerman | 2002-05-21 |
| 4542565 | Rolling tool | Garri Berstein | 1985-09-24 |
| 4296620 | Smoothing rolling mill | — | 1981-10-27 |