Joseph K. Moore and his company First Defense Nasal Screens were profiled on this week’s episode of Shark Tank. Moore’s invention is simple – it’s an inexpensive, adhesive nasal filter that the user applies to the exterior of their nose. Moore filed for patent protection in October 2007. (Patent Application Number 11/928,226, based on U.S. Provisional Application No. 60/855,711.) As he explains there, his invention is:


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