Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739155 | Quartz making an elongated fused quartz article using a furnace with metal-lined walls | Frederic F. Ahlgren | 2004-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739155 | Quartz making an elongated fused quartz article using a furnace with metal-lined walls | Frederic F. Ahlgren | 2004-05-25 |