Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375588 | Process and apparatus for controlling the concentration of solid particles in suspension in an EDM machining fluid | — | 1983-03-01 |
| 4362989 | Process and apparatus for controlling the concentration of solid particles in suspension in a liquid fluid | — | 1982-12-07 |
| 4251706 | Electrode tool for EDM and method for utilizing such electrode tool | Jean Pfau | 1981-02-17 |