Spencer Silver, an Inventor of Post-it Notes, Is Dead at 80 - The New York Times

Spencer Silver, Co-Inventor of 3M Post-it Notes, Dies at 80

Notable Books of the Year - The New York Times

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3M's Spencer Silver, inventor of the Post-It Notes adhesive, dead

Murió Spencer Silver, creador de los Post-it

Spencer Silver, an Inventor of Post-it Notes, Is Dead at 80 - The

Spencer Silver, Co-Inventor of 3M Post-it Notes, Dies at 80

Inventor of the Post-it note dies aged 80

Falleció el químico Spencer Silver, inventor de los Post-it

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9 Brilliant Inventions Made by Mistake