Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255618 | Screw drive vehicle | Vladimir Leonov | 2007-08-14 |
| 6966807 | Screw drive vehicle | Vladimir Leonov | 2005-11-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255618 | Screw drive vehicle | Vladimir Leonov | 2007-08-14 |
| 6966807 | Screw drive vehicle | Vladimir Leonov | 2005-11-22 |