Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998709 | Method of making graphite electrode nipple | Keith M. Roussel, Ta-Wei Fu | 1991-03-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998709 | Method of making graphite electrode nipple | Keith M. Roussel, Ta-Wei Fu | 1991-03-12 |