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A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 5660749 | Transformer and A.C. arc welder A transformer includes a stator core, primary coils, secondary coils, and heat radiating plates each of which projects outward from between interior layers of the primary coil and/or secondary coil. An A.C. arc welder includes the transformer therein, wit... | 08/26/1997 |
| 5572767 | Generator system for a vacuum cleaner A vacuum cleaner includes a controlling valve in a ventilating path to a runner of an electric generator which rotates respondingly to a suction force, a rotating angle of the controlling valve is varied corresponding to an increase of the suction force s... | 11/12/1996 |
| 5404612 | Vacuum cleaner A vacuum cleaner rotates a propeller fan by its suction force. The propeller fan rotates a rotor of a d.c. electric energy generator so as to generate electrical energy, and a d.c. voltage corresponding to the suction force is obtained by the generation. ... | 04/11/1995 |
| 5215397 | Writing device for storing handwriting When characters and the like are written with a writing device, handwriting is detected by a handwriting detection circuit based on outputs from optical sensors and stress sensors and is stored in a handwriting memory section. The handwriting memory secti... | 06/01/1993 |
