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Patent

Night light air freshener

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TLDR
An air freshener dispenser is a plug-in diffuser for such active materials as fragrances and air freshensers, and eliminates the consumer problem of loss of an electrical outlet, by providing a receptacle into which another plug may be inserted as discussed by the authors.
Abstract
An air freshener dispenser is taught having plug-through capability as well as a night light. The dispenser is a plug-in diffuser for such active materials as fragrances and air fresheners, and eliminates the consumer problem of loss of an electrical outlet, by providing a receptacle into which another plug may be inserted. The dispenser uses replaceable cartridges of material to be dispensed, and provides a night light for those who desire such.

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Tamper-resistant container utilizing a flexible seal

TL;DR: An open-ended tamper-resistant container has a flexible seal over the oven end, which is particularly suited for holding a volatile material for slow diffusion as discussed by the authors, and is suitable for independent use or use in conjunction with an electrically heated vapor dispensing apparatus.
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E Elsner
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Perfumer structure with an optically controlled night lamp

Shih-Lin Wang
TL;DR: In this article, a perfumer structure with an optically controlled night lamp is described, which includes a heat conductor wrapped by a heat conductive and fireproof plastic material for generating heat to vaporize a solid perfume and uniformly disperse perfume gas.