Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165249 | Iron carbide process | — | 2000-12-26 |
| 5804156 | Iron carbide process | Gordon H. Geiger, Frank A. Stephens, Frank M. Stephens, Jr. | 1998-09-08 |
| 5690717 | Iron carbide process | James E. Stevens | 1997-11-25 |