Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7669439 | Gas injection for glass melting furnace to reduce refractory degradation | Neil Simpson, John R. LeBlanc | 2010-03-02 |
| 7168269 | Gas injection for glass melting furnace to reduce refractory degradation | Neil Simpson, John R. LeBlanc | 2007-01-30 |