Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891162 | Machining fluid for electrical discharge machining apparatus | — | 1990-01-02 |
| 4341939 | Wire electrode for cutting an electrode workpiece by electrical discharges | Jean-Paul Briffod, Roland Martin, Jean Pfau, Bernard Bommeli | 1982-07-27 |