Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586355 | Slagline sleeve for submerged entry nozzle composition therefore | Donald Bruce Hoover, Donald J. Griffin, Colin B. Richmond, II | 2003-07-01 |
| 6410469 | Slagline sleeve for submerged entry nozzle and composition therefor | Donald Bruce Hoover, Donald J. Griffin, Colin B. Richmond, II | 2002-06-25 |