Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022293 | Method and working machine for producing surfaces of non-circular but regular cross sections | Jozsef Farkas, Sandorne Vekony, Erno Csovak, Sandor Fodor | 1991-06-11 |
| 4803914 | Rotational working cylinder | Klara J. Vekonyne | 1989-02-14 |