Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632086 | Quartz fusion crucible | Stanley M. Antczak, Frederic F. Ahlgren | 2003-10-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632086 | Quartz fusion crucible | Stanley M. Antczak, Frederic F. Ahlgren | 2003-10-14 |