Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678410 | Electrically adjustable optical diffusion for luminaires | James H. Collias, Charles H. Collias, Nicholas John Foster | 2017-06-13 |
| 9075286 | Electrically adjustable optical diffusion for luminaires | James H. Collias, Charles H. Collias, Nicholas John Foster | 2015-07-07 |