Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298053 | Consumable lance for oxygen injection and desulfurization and method | — | 1994-03-29 |
| 4852860 | Consumable injection lance | Evan L. Hand, Sr. | 1989-08-01 |
| 4761178 | Process for heating molten steel contained in a ladle | Marvin H. Bayerwitz, Philip D. Stelts | 1988-08-02 |