Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914599 | Slag conditioner composition, process for manufacture and method of use in steel production | Joseph L. Stein, Brian Stein | 2011-03-29 |
| 4387710 | Ventilated cast structure and method of producing the same | — | 1983-06-14 |