Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885521 | Apparatus for rapid reduction of iron oxide in a rotary hearth furnace | David C. Meissner, Thomas H. Boyd, James A. Lepinski | 1999-03-23 |
| 5730775 | Method for rapid reduction of iron oxide in a rotary hearth furnace | David C. Meissner, Thomas H. Boyd, James A. Lepinski | 1998-03-24 |