Jacobson, Price, Holman & Stern
Multi-function chair
 A multi-function chair comprising a fore leg frame and a hind leg frame combined movably intercrossing each other to stand on the ground as a chair or to be folded in a straight line as a light duty truck with casters to stand and move on the ground. 
B A
B62B A47C
inventional inventional
Chien I.
Chang