Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640854 | Machining assembly including a rotating tool and exhaust hood | Wilhelm Kalmbach, Hans-Jurgen Gittel, Ewald Westfal | 2003-11-04 |
| 6454499 | Device and method for machining workpieces | Hans-Juergen Gittel, Ewald Westfal, Wilhelm Kalmbach, Roland Fischer, Michael Oertel | 2002-09-24 |
| 6129027 | Processing machine | Achim Gauss, Karl Frey | 2000-10-10 |
| 4750254 | Continuously operating one-sided formatting and edge shaping machine | — | 1988-06-14 |