Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558725 | Process for carburizing workpieces by means of a pulsed plasma discharge | Albrecht Melber | 1996-09-24 |
| 5383980 | Process for hardening workpieces in a pulsed plasma discharge | Albrecht Melber, Kyong-Tschong Rie | 1995-01-24 |