Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649023 | Escape system | Maxime Boyer, Stewart Gregory, Duncan McCaughan | 2023-05-16 |
| 11167827 | Survival craft | Duncan McCaughan | 2021-11-09 |
| 5669648 | Post hole digger | — | 1997-09-23 |