Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648971 | Foldable golf trolley | Mark Adam Stewart, Jon Stewart-Miller, Duncan Stewart | 2023-05-16 |
| D954381 | Foldable golf trolley | Jon Stewart-Miller, Mark Adam Stewart, Duncan Stewart | 2022-06-07 |
| 9211898 | Golf trolley | Mark Adam Stewart, Duncan Stewart, Jon Stewart Miller | 2015-12-15 |
| D522706 | Golf club caddie | Duncan Stewart, Jon Stewart-Miller, Mark Adam Stewart | 2006-06-06 |