Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443686 | Device for arc-welding ferromagnetic workpieces under the control of a magnetic field | Karel Mazac | 1984-04-17 |
| 4436980 | Electric arc welding apparatus | Karel Mazac | 1984-03-13 |
| 4319123 | Method of controlling a magnetically guided welding arc | Franz-Josef Ganowski, Karel Mazac | 1982-03-09 |
| 4246464 | Device for welding metallic hollow bodies with a magnetically moved electric arc | Manfred Altstetter, Karel Mazac | 1981-01-20 |