Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251267 | Method for direct reduction of metal oxide to a hot metallized product in solid form | Donald Beggs | 1981-02-17 |
| 4196891 | Briquet strip breaker | Charles W. Sanzenbacher | 1980-04-08 |
| 4188022 | Hot discharge direct reduction furnace | Donald Beggs | 1980-02-12 |