An inflatable safety cushion for a child constructed of a one-piece inflatable structure having an upper portion with a centrally disposed aperture for placement about a child's neck, a middle section positionable over the chest of the child, and a lower section which accommodates a portion of each thigh...http://www.google.sh/patents/US5588699?utm_source=gb-gplus-sharePatent US5588699 - Inflatable safety cushion
