Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118914 | Protective device for machining heads | Roger Girardin, Jean-Andre Ruffin | 1992-06-02 |
| 4918279 | EDM cutting machine including device for preventing transmission of sealing plate movement to guide head arm | Bernard Babel, Hans-Ulrich Lehmann, Jean-Andre Ruffin | 1990-04-17 |
| 4814574 | Device for injection of liquid for machining by electroerosion | Bernard Babel, Remi Gambin | 1989-03-21 |
| 4778972 | Method and apparatus for repeatedly and automatically threading the wire electrode of an EDM apparatus | — | 1988-10-18 |
| 4652716 | Process and mechanism for threading the electrode wire of an EDM apparatus | Rudolf Schneider | 1987-03-24 |