This undated photo released by 3M, shows Spencer Silver, the inventor of the adhesive used on one of 3M's best-known products, the Post-it Note. Silver died at his home in Minnesota on Tuesday, May 8, ...

ST. PAUL, Minn. — The inventor of the adhesive used on one of 3M’s best-known products, the Post-it Note, has died, according to the company and his published obituary. Spencer Silver was 80 and died ...

ST. PAUL, Minn. (AP) — The inventor of the adhesive used on one of 3M’s best-known products, the Post-it Note, has died, according to the company and his published obituary. Spencer Silver was 80 and ...

ST. PAUL, Minn. (AP) — The inventor of the adhesive used on one of 3M’s best-known products, the Post-it Note, has died at his home in Minnesota. The family’s obituary says Spencer Silver died May 8 ...

The inventor of the adhesive used on one of the 3M Co.’s best-known products, the Post-it Note, has died, according to the company and his published obituary. Spencer Silver was 80 and died May 8 at ...