Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922549 | Oar with pivotal blades | Anatoliy Sirota, Aleksey Sirota, Artem Sirota | 2011-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922549 | Oar with pivotal blades | Anatoliy Sirota, Aleksey Sirota, Artem Sirota | 2011-04-12 |