Upstairs, downstairs in Scewo's two-wheel, self-balancing wheelchair
Stealth Alternative Controls
Amazon.com: Culver Mobility Kano Foldable Electric Wheelchair, Travel Size, User-Friendly, Wheelchairs for Adults Lightweight, Folding Power Chair (Black) : Health & Household
With Mobility Independence for All - Rehab Management
Amazon.com: Rubicon DX04 World's Lightest (only 30lbs) Foldable Electric Wheelchair - Travel Size - Airline Approved - User Friendly - 10 mi Cruise Range - Ships from USA - Serviced in USA : Health & Household
BBC One - Invented in.., The South, Sailing by 'breath control'
Alternative Drive Controls
Georgia Tech's Tongue Drive wheelchair proves quicker than traditional breath controls
Invacare TDX SP2 Power Wheelchair
This Device Helps Paralyzed People Breathe—and Sing | WIRED
Alternative Access Controls for Adult Power Wheelchairs | Numotion