Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881252 | Sheltered housing scheme communications system | David N. Jones | 1989-11-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881252 | Sheltered housing scheme communications system | David N. Jones | 1989-11-14 |