Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648942 | Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus | Glenn E. Hoffman | 2003-11-18 |
| 5926558 | Method and apparatus for monitoring and inspecting rotary knives | Albert R. Zelt, III, Paul S. Laskey | 1999-07-20 |
| 5857031 | Method and apparatus for monitoring and inspecting strip edge | Albert R. Zelt, III, Paul S. Laskey | 1999-01-05 |