Burns, Doane, Swecker & Mathis
Microwave oven having rotatable tray which moves up and down during rotation
 A microwave oven has a tray in its cooking chamber, the tray having an upwardly facing surface for supporting food. A driving mechanism rotates the tray about an upright axis while displacing the tray up and down. The tray may be disposed horizontally or at an angle to horizontal, as it rotates. 
Samsung Electronics Co., Ltd.
H
H05B
inventional
Yung H.
Kim