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Choi Man Wa Patents
Inventor:
Wa; Choi Man
Address:
Hong Kong, CN
No. of patents:
4
Patents:




Patent Number Title Of Patent Date Issued
7073913 Portable easel for assisting in tracing and drawing of figures July 11, 2006
A portable, lightweight easel for assisting in the tracing of figures is provided. The base has an interior volume with a projector and ancillary art supplies disposed therein. The projector has a light source and a receptacle for receiving a light-transmissible medium having at least on
7051948 Flexible track for a toy vehicle May 30, 2006
A track for a toy vehicle and such vehicle are provided. Each track segment has an upper layer and a spaced apart lower layer. A pivot pin is vertically disposed on a forwardly projecting tongue attached to one of the upper and lower layers, and a rearwardly disposed crossbar is adapted
6935920 Toy train accessory August 30, 2005
A toy train accessory for use with a toy train is provided and has at least one track section disposed across the accessory and connectable to a toy train track. A slot is formed in the track section, and an upwardly spring biased sensor is disposed in the slot. At least one entertainmen
6631850 Flexible track for a toy vehicle October 14, 2003
A track for a toy vehicle is provided. The inventive track includes at least one end segment, either male or female, and at least one middle segment. The middle segment is pivotably attachable to at least one of the male and female segments. A middle segment can have teeth on both ends,


 
 
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