Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159517 | Method of marking or lettering metallic components | Lutz Altmann, Walter Czametzki | 2007-01-09 |
| 6678094 | Apparatus for lettering or marking articles by means of a laser beam | Walter Czarnetzki, Helmut Krafzick | 2004-01-13 |
| 6476345 | Device for welding together the ends of tubular plastic containers, notably tubes | — | 2002-11-05 |
| 6417483 | Method and device for soldering the ends of tubular containers, specially tubes | — | 2002-07-09 |