3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6979772 | Integrated heat dissipating enclosure for electronic product An integrated heat dissipating enclosure to provide heat dissipation for computer, power supply or other electronic products such as an integrated circuit on a motherboard, a central processing unit, or a chip on a video adapter. The enclosure has a frame and a cool... | 12/27/2005 |