Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987285 | Protection circuit for plasma-arc welding and cutting equipment operated with transferred or non-transferred arc | Silvano Dallavalle | 1991-01-22 |
| 4814577 | Control circuit in plasma arc cutting and welding equipment designed for transferred arc operation | Silvano Dallavalle | 1989-03-21 |
| 4767908 | Plasma arc welding and cutting torch designed for non-transferred and transferred arc operation | Silvano Dallavalle | 1988-08-30 |