Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003949 | Multiple screen detection systems | Peter Ryge, Ronald J. Hughes | 2011-08-23 |
| 5020870 | Binocular kaleidoscope | — | 1991-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003949 | Multiple screen detection systems | Peter Ryge, Ronald J. Hughes | 2011-08-23 |
| 5020870 | Binocular kaleidoscope | — | 1991-06-04 |