US Patent No. 5,194,299 for "Repositionable pressure-sensitive adhesive sheet material", the Post-it note.
Post-it logo.
On this Day in 1993, Arthur Fry received US Patent No. 5,194,299 for a “Repositionable pressure-sensitive adhesive sheet material”, the Post-it note.
Sticky enough to hold, gentle enough to peel. Innovation that sticks!
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