Tupperware Was A Failure--Until One Woman Turned It Into A Party

Earl Tupper was a prolific inventor, jotting down his ideas in his ever-present notebook. After dozens of failed attempts, he got to work on what he called the "Wonderlier" bowl, which was created without the filler that typically made plastic stiff. But the bowl's real innovation was its airtight, leakproof seal, which Tupper patented. Still, sales were sluggish. Enter Brownie Wise, a rep for a range of cleaning utensils sold at home parties.

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