Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564199 | Kaolin clay pigments, their preparation and use | Jun Yuan, Harry Vincent Brown, Jr., David Cummings | 2003-05-13 |
| 6514333 | Preparation and use of high brightness kaolin pigments | Jun Yuan, Vince Brown, Sr., William L. Garforth | 2003-02-04 |