RD

Robert J. Duggan

DP Deka Products Limited Parternship: 2 patents #7 of 26Top 30%
📍 Strafford, NH: #1 of 2 inventorsTop 50%
🗺 New Hampshire: #45 of 994 inventorsTop 5%
Overall (2003): #22,895 of 273,478Top 9%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6651766 Personal mobility vehicles and methods Dean Kamen, Robert R. Ambrogi, Richard Kurt Heinzmann 2003-11-25
6571892 Control system and method Dean Kamen, Robert R. Ambrogi, Burl W. Amsbury, Susan D. Dastous, John David Heinzmann +5 more 2003-06-03
6561294 Balancing vehicle with passive pivotable support Dean Kamen, Robert R. Ambrogi, Douglas Field, Richard Kurt Heinzmann 2003-05-13