Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8388391 | Screw conveyor shape propeller | Vladimir Valentinovich Vorobyev | 2013-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8388391 | Screw conveyor shape propeller | Vladimir Valentinovich Vorobyev | 2013-03-05 |