Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485404 | Advanced vitrification system improvements | James R. Powell | 2002-11-26 |
| 6479021 | Advanced vitrification system pyrographite | James R. Powell | 2002-11-12 |
| 6395954 | Advanced vitrification system frit | James R. Powell | 2002-05-28 |