Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871173 | Multi-colored lighting device | Yao Tan, Thomas M. Spain | 2011-01-18 |
| 7717581 | Color changing lighting device | Thomas M. Spain | 2010-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871173 | Multi-colored lighting device | Yao Tan, Thomas M. Spain | 2011-01-18 |
| 7717581 | Color changing lighting device | Thomas M. Spain | 2010-05-18 |