Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9353266 | Process for manufacturing titanium dioxide pigments using ultrasonication | David F. Marshall, Vahid Kazerooni | 2016-05-31 |
| 9315615 | Titanium dioxide pigment and manufacturing method | David F. Marshall | 2016-04-19 |