Our Pick
Posted on @rawstates
Levi Strauss and the riveted trouser
1873
San Francisco, California
Nielsoncaetanosalmeron · CC BY 4.0 · Wikimedia Commons
A Nevada tailor named Jacob Davis had been riveting the pockets of workmen's trousers and could not afford the patent, so he wrote to his cloth supplier. Strauss paid for it and the two patented the design in May 1873.
That was 1 of the hidden places.
Location: historic site
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