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Air filter condition sensing |
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Monitoring device |
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Display screen with graphical user interface |
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Air filter condition sensing |
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Display screen with graphical user interface |
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2020-01-14 |
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Filter-borne sensor housing |
Glen O. Gregerson |
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| 10363509 |
Air filter condition sensing |
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Marketing strip with viscoelastic lightguide |
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Retroreflective articles and devices having viscoelastic lightguide |
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Retroreflective articles and devices having viscoelastic lightguide |
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Backlights having selected output light flux distributions and display systems using same |
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2017-01-10 |
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Back-lit transmissive display having variable index light extraction layer |
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