Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045657 | Clay compositions and their use in paper making | Adrian S. Allen, John Oliver Stockwell | 2000-04-04 |
| 6024790 | Activation of swelling clays | Adrian S. Allen, John Oliver Stockwell | 2000-02-15 |