Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612741 | Video billboard | Henry D. Ryng | 1997-03-18 |
| 5179440 | Rear projection facetted dome | Kenneth R. Brooke | 1993-01-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612741 | Video billboard | Henry D. Ryng | 1997-03-18 |
| 5179440 | Rear projection facetted dome | Kenneth R. Brooke | 1993-01-12 |