Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918279 | EDM cutting machine including device for preventing transmission of sealing plate movement to guide head arm | Joseph Josserand, Hans-Ulrich Lehmann, Jean-Andre Ruffin | 1990-04-17 |
| 4883934 | Machine using a wire for use in electroerosion | Pierre Mamin, Francois Balleys | 1989-11-28 |
| 4814574 | Device for injection of liquid for machining by electroerosion | Joseph Josserand, Remi Gambin | 1989-03-21 |