On April 10, 1849, a modest mechanic and independent inventor from New York named Walter Hunt quietly made history. He patented a small metal object with a spring, calling it a ‘dress pin’. That ...
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Here’s what the hole in a safety pin is really for
“These things are so great and have so many uses in so many areas that I don’t even have to market them. Customers just find me,” says Larry Schwartz, who’s been in the safety-pin business for more ...
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