Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789780 | Method for extracting heavy metals from hard rock and alluvial ore | — | 2014-07-29 |
| 8042691 | Heavy particle separation | Greig Oppenheimer | 2011-10-25 |
| 7121220 | Steering mechanism for watercraft | — | 2006-10-17 |
| 5309857 | Apparatus for transferring buoyancy in a nautical vessel | — | 1994-05-10 |
| 5108584 | Apparatus for extrating heavy metals from ore | — | 1992-04-28 |