Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279119 | Silica and silica-based slurry | Stuart D. Hellring, Suryadevara V. Babu, Yuzhuo Li, Satish Narayanan, Robert L. Auger | 2007-10-09 |
| 6656241 | Silica-based slurry | Stuart D. Hellring, Charles F. Kahle, II, Yuzhuo Li, Jason Keleher | 2003-12-02 |