Arthur Fry with a Post-it Note on his forehead
Arthur Fry with a Post-it Note on his forehead.
Detail map of Saint Paul, Minnesota, United States Overview map of Saint Paul, Minnesota, United States

A: Saint Paul, Minnesota, United States

3M Introduces the"Post-it Note"

1980
The Post-it logo and a small pad of the original lined yellow Post-it Notes.
The Post-it logo and a small pad of the original lined yellow Post-it Notes.
In 1980 3M Corporation of Maplewood, MN introduced the Post-it Note invented by chemists Spencer Silver and Arthur Fry.  Dr. Silver invented the the low-tack, reusable, pressure-sensitive adhesive in 1968, and in 1974 Arthur Fry figured out a use for it. Remarkably it took 3M six more years before the product was brought to market.

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