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A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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| Number | Title | Issue Date |
| 4893995 | Electric motor-driven impeller-type air pump A high speed electric motor drives an impeller to centrifugally induce air flow to an engine exhaust system. The motor is sealed within a noise attenuating cover, and the impeller induces a portion of the air flow to recirculate through the sealed motor c... | 01/16/1990 |
