Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616745 | Black pearlescent pigments | Samuel F. Narvarti, Thomas V. Edwards, Frank Mazzella, William L. Howell | 2003-09-09 |
| 6579356 | High strength Fe-Cr brown with excellent weathering | William Gerald Loucka, John Gilbert Richardson | 2003-06-17 |