Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092350 | Cigarette manufacture | Hugh M. Arthur, Reginald C. Bolt, Ian Ramsay | 1992-03-03 |
| 4903276 | Power supply for radio-frequency excited gas laser | — | 1990-02-20 |
| 4703489 | Waveguide laser | — | 1987-10-27 |