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 |
| 4021507 | Polyester elastomeric particles A polyester elastomeric particle comprising a saturated elastomeric core, an intermediate layer covalently bound to the elastomeric core said intermediate layer comprising a condensation polymer of a dicarboxylic acid, a triol, and a diol wherein at least... | 05/03/1977 |