Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277349 | Tridymite-based processing for high purity quartz | Anna Michelle Benson | 2001-08-21 |
| 5340392 | Method and product of calcium sulfate dihydrate as filler in aqueous polymer dispersions | Nelson Severinghaus, Jr. | 1994-08-23 |