Joy Mangano, Miracle Mop inventor, lists Long Island mansion for $20M

Joy Mangano, Miracle Mop inventor, lists Long Island mansion for $20M

Jennifer Lawrence played her in the 2015 film “Joy,” but now’s your best chance to live like the real Joy Mangano. Mangano, the 66-year-old inventor who’s best known as the mastermind behind the self-wringing Miracle Mop — and, of course, for inspiring that movie, for which Lawrence received an Oscar nomination and a Golden Globe …

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