Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463240 | Electric discharge machine servo control | — | 1984-07-31 |
| 4443681 | Electric discharge machine automatic relay control | — | 1984-04-17 |
| 4427871 | Electric discharge machine current cutoff control | Raymond Bercaw | 1984-01-24 |