Obstacle avoidance systems for power chairs, namely, ultrasonic sensors on the chair or chair base coupled with software algorithms which warn the user of being too close to an obstacle and/or which digitally modify the user's driving input signal, whether by joystick or other device, to avoid obstacles; the forgoing for use primarily by elderly, disabled, infirm and handicapped persons

Manually propelled wheelchairs; electrically powered personal mobility vehicles, electrically powered wheelchairs, electrically powered chairs; electrically powered scooter vehicles; Power chair bases, namely, bases for electrically powered personal mobility vehicles; Specially adapted component parts of power chairs, motorized wheelchairs, and manual wheelchairs, namely, powered and manually adjustable seats, slidably movable seats, powered and manually adjustable body positioners, powered and manually actuated seat reclining and tilt mechanisms, seat and body support frames, body part support frames for one or both arms, one or both legs or for the head, combination body part support frames for a person's arms, legs and head, body support cushions, arm support cushions, leg support cushions, head support cushions, back support cushions, pressure management cushions; Electronic stabilizing systems for power chairs and powered wheelchairs enabling the occupant to maneuver at a walking speed while elevated at a standing height and adjusting the speed and height of the chair to ensure the safety of the occupant, sold as an integral component of electrically powered wheelchairs, electrically powered chairs; Power chair systems, namely, an elevating seat coupled with electronic stabilizers enabling the power chair occupant to maneuver at a walking speed while elevated to a standing height; Accessories for electrically powered personal mobility vehicles, namely, saddlebags, cup holders, crutch holders, cane holders, walker holders, cargo baskets, oxygen tank holders, leg rests, foot rests, heel loops, cell phone holder, lap belts and safety flags; Repair and replacement parts for all of the foregoing; All of the forgoing for use primarily by elderly, disabled, infirm and handicapped persons