Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828433 | Roof supports | Egon Wojaczek, Helmut Poklekowski | 1989-05-09 |
| 4228478 | Overvoltage arrester | Werner Jakszt, Gert Schiele | 1980-10-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828433 | Roof supports | Egon Wojaczek, Helmut Poklekowski | 1989-05-09 |
| 4228478 | Overvoltage arrester | Werner Jakszt, Gert Schiele | 1980-10-14 |