Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360957 | Controlled apparatus for electrical discharge machining | Kenneth B. Haefner, Mark Douglas Ehresman, Steven F. Comeau | 1994-11-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360957 | Controlled apparatus for electrical discharge machining | Kenneth B. Haefner, Mark Douglas Ehresman, Steven F. Comeau | 1994-11-01 |