28 HAND BAR HAVING REVOLVABLE ELEMENTS FOR PERFORMING ISOTONIC EXERCISES
FIRST USE ON OR ABOUT FEB. 14, 1968; IN COMMERCE ON OR ABOUT FEB. 14, 1968; ON OR ABOUT DEC. 29, 1967, IN A D IFFERENT FORM. FIRST USE ON OR ABOUT FEB. 14, 1968; IN COMMERCE ON OR ABOUT FEB. 14, 1968; ON OR ABOUT DEC. 29, 1967, IN A D IFFERENT FORM.