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 |
| 7403530 | Scalable router A router with a routing layer that supports single or multiple routing protocols. The routing layer has at least two routing protocol computing entities, namely a first and a second routing protocol computing entities. Each routing protocol computing entity includes... | 07/22/2008 |
| 7277429 | Cell-based switch fabric with distributed scheduling A switch fabric implemented on a chip includes an array of cells and an I/O interface in communication with the array of cells for permitting exchange of data packets between said array of cells and components external to said array of cells. Each cell communicates ... | 10/02/2007 |