Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360808 | Exothermic sleeve compositions containing aluminum dross | Helena Twardowska | 2002-03-26 |
| 6335387 | Insulating sleeve compositions containing fine silica and their use | Helena Twardowska | 2002-01-01 |