Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875515 | Fused quartz article having controlled devitrification | Thomas Francis McNulty, Victor Lou, Robert Arthur Giddings, Frederic F. Ahlgren | 2005-04-05 |
| 6861130 | Sintered polycrystalline gallium nitride and its production | Mark P. D'Evelyn, Suresh Vagarali, Dong-Sil Park | 2005-03-01 |
| 6541115 | Metal-infiltrated polycrystalline diamond composite tool formed from coated diamond particles | Charles D. Iacovangelo, Mark P. D'Evelyn, Steven Alfred Tysoe | 2003-04-01 |