Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851048 | Structured kaolin pigment and process for manufacture thereof | Jorge E. Salinas, Keryn N. Geho, Weyman H. Dunaway, Rasik H. Raythatha | 1989-07-25 |
| 4820554 | Coated paper and process | Rasik H. Raythatha | 1989-04-11 |