Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180678 | Material transfer system for a body of water | Sam MacDonald, Graham Zell, David Halliday, Peter Zell, Brett Robinson +1 more | 2024-12-31 |
| 11066798 | Water intake structure | Graham Zell, Sam MacDonald, Peter Zell, Brett Robinson, David Halliday +3 more | 2021-07-20 |