Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6205634 | Furnace floor | James Fleming | 2001-03-27 |
| 6067944 | Furnace floor | James Fleming | 2000-05-30 |
| 5437768 | Non-baffled low pressure drop vacuum cooled inserted smelt spout | J. William Smith, Stan Crofut, Ed Gayhart, Joan Barna | 1995-08-01 |