Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695895 | Randomised mask for a diffusing screen | William Nevil Heaton Johnson | 1997-12-09 |
| 5642449 | Fibre optic plate display | — | 1997-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695895 | Randomised mask for a diffusing screen | William Nevil Heaton Johnson | 1997-12-09 |
| 5642449 | Fibre optic plate display | — | 1997-06-24 |