10 orthopedic portable seat cushion; medical device in the nature of cushions and board for medical use and to support lower back, hips, and sacrum; device to support lower back, hips, and sacrum, namely, back supports for medical purposes.
20 portable seat cushion; device to support lower back, hips, and sacrum in the nature of portable back support for use with chairs, couches and travel, and not for medical purposes.