Issued Patents All Time
| 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 |
| 6235106 | Blue shade Fe-Cr black | William Gerald Loucka, Jerome David Thomas | 2001-05-22 |
| 5080718 | Inorganic pigments of the empirical formula A.sub.x B.sub.y C.sub.z | Thomas J. Sullivan, Deepak S. Thakur, Brian Roberts, Eugene Palka | 1992-01-14 |