Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5159167 | Structure for and method of electrical discharge machining | Donald R. Brettrager | 1992-10-27 | $16,789,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5159167 | Structure for and method of electrical discharge machining | Donald R. Brettrager | 1992-10-27 | $16,789,000 |