Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236763 | Method for engraving solid articles with laser beams and the articles produced | — | 1993-08-17 |
| 5143578 | Method for engraving solid articles with laser beams | — | 1992-09-01 |
| 5047116 | Method for producing liquid transfer articles | Christian Hidber | 1991-09-10 |