Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |