Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579356 | High strength Fe-Cr brown with excellent weathering | Mark E. Gall, John Gilbert Richardson | 2003-06-17 |
| 6235106 | Blue shade Fe-Cr black | Mark E. Gall, Jerome David Thomas | 2001-05-22 |