Dai Y ChoiBuena Park, CA

4728778, Mar 1, 1988

Nov 5, 1986

6/927077

Dai S. Choi - Manhattan Beach CA
WongJung O. Choi - Manhattan Beach CA

H05B 368

219438

An electrical cooking apparatus for cooking natural substances such as rice, herbs, soups, and the like, the cooking device being divided into a lower cooking chamber and an upper cooling chamber, which includes a cooking container disposed within the lower cooking chamber, a valve member providing communication between the upper cooling chamber and the lower cooking container whereby the cooking steam rising from the cooking container and introduced through the valve member into the cooling chamber is condensed and returned as a liquid to the cooking container, a downwardly inclined baffle member disposed beneath the valve member for interrupting the flow of condensed liquid through the valve member and directing it to the side walls of the cooking chamber, and a heating member for the cooking apparatus.

4610416, Sep 9, 1986

Dec 21, 1984

6/684796

Dai S. Choi - Manhattan Beach CA

A47B 9708

248459

A foldable book stand which comprises, a front surface and a rear surface, said front surface having substantially parallel transverse crease lines disposed across the lower portion thereof, said front surface being folded on itself in opposite directions along said crease lines, said rear surface having triangular lateral flanges which are extendable from the rear surface along respective vertical crease lines and a transverse support member extendable from the rear surface along a horizontal crease line, said lateral flanges containing slots and said transverse support member containing end tabs for engaging in said slots, whereby the book stand is readily convertible from a flat folded state to an assembled state.