Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1049838 | Fastener device | Daniel Gilbertson | 2024-11-05 |
| 10775008 | Lighting device | Paul Dalby, Graeme Jones, John Kears, Stephen Parkes, Ian Wilson | 2020-09-15 |
| 5126886 | Scrolling primary color changer | Brian Edward Richardson | 1992-06-30 |
| D324431 | Stage spotlight | Brian Edward Richardson | 1992-03-03 |
| 5029992 | Motor-controlled lens system | — | 1991-07-09 |
| 4891738 | Selectable aperture module | Brian Edward Richardson | 1990-01-02 |
| 4862336 | Dimorphic truss unit | Brian Edward Richardson | 1989-08-29 |
| 4837665 | Modular stage light system | Bryan Hoyer | 1989-06-06 |
| 4669836 | Photorefractor ocular screening system | Joseph H. Kerr | 1987-06-02 |
| 4451950 | Long-span bridges | — | 1984-06-05 |
| 4320602 | Stabilizing structures against oscillation | — | 1982-03-23 |