Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278737 | Wall and ceiling lighting unit | Mark J. Hastings, Robert T. Allen, Ian Lewin | 1994-01-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278737 | Wall and ceiling lighting unit | Mark J. Hastings, Robert T. Allen, Ian Lewin | 1994-01-11 |