Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5584336 | Thin gauge roll casting method | Christopher A. Romanowski, Apparao Duvvuri, William M. Marrison | 1996-12-17 |
| 5518064 | Thin gauge roll casting method | Christopher A. Romanowski, Apparao Duvvuri, William M. Marrison | 1996-05-21 |