Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690447 | Dynamic balancing vehicle with a seat | Dean Kamen, Robert R. Ambrogi, Robert J. Duggan, J. Douglas Field, Richard Kurt Heinzmann +3 more | 2010-04-06 |
| 7273116 | Dynamic balancing vehicle with a seat | Dean Kamen, Robert R. Ambrogi, Robert J. Duggan, J. Douglas Field, Richard Kurt Heinzmann +3 more | 2007-09-25 |
| 7004271 | Dynamic balancing vehicle with a seat | Dean Kamen, Robert R. Ambrogi, Robert J. Duggan, J. Douglas Field, Richard Kurt Heinzmann +3 more | 2006-02-28 |