Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911332 | Mobile elliptically driven device and steering mechanism | David Kraus | 2014-12-16 |
| 8535206 | Mobile elliptically driven device and steering mechanism | David Kraus | 2013-09-17 |