Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632086 | Quartz fusion crucible | Mark A. Castelletti, Frederic F. Ahlgren | 2003-10-14 |
| 6422861 | Quartz fusion furnace and method for forming quartz articles | Frederic F. Ahlgren | 2002-07-23 |
| 6235669 | Viscosity tailoring of fused silica | Mohan Rajaram | 2001-05-22 |