Elevator systems and components therefor, namely, elevator door operators; elevator door operators comprised of motors and linkages to open and close elevator doors; harmonic door operators; downloadable or recorded elevator door operator software and firmware sold as an integral component of elevator door operators for use in controlling door operations, electrical controllers for door operation and door control, electrical position/velocity sensors for controlling door operation

Medical braces for knee, ankle, elbow, and other limbs and joints; Posture correction device, namely, an adjustable harness to correct one's posture for medical purposes