Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939003 | Method and device for the production of a stamping with almost smooth cutting and enlarged functional surface | Ulrich Schlatter | 2015-01-27 |
| 6553956 | Composite lightweight valve for internal combustion engines | Martin Schlegl, Karl-Heinz Thiemann | 2003-04-29 |
| 5054195 | Process for the production of a valve | Volker Keck, Walter Conradt | 1991-10-08 |