Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9149419 | Oral care product | Yan Deng, Mary Heppenstall-Butler, Andrew Joiner, Haiyan Li | 2015-10-06 |
| 8257721 | Oral care product | Yan Deng, Mary Heppenstall-Butler, Andrew Joiner, Haiyan Li, Xiaoke Li | 2012-09-04 |
| 7306814 | Method of growing crystals | Mary Heppenstall-Butler, Christopher Rawlins | 2007-12-11 |