Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645566 | Process for heat treatment nitriding in the presence of titanium and products produced thereby | — | 2003-11-11 |
| 6569386 | Process for providing a titanium dioxide layer on a material that contains a light absorbing substance and the product so formed | Samuel Songhea Ko | 2003-05-27 |