Famous Patents
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 |
| D551488 | Toaster | 09/25/2007 |
| D551017 | Toaster | 09/18/2007 |
| D547601 | Food processor | 07/31/2007 |
| D543072 | Blender | 05/22/2007 |
| D539080 | Food processor | 03/27/2007 |
| D537292 | Hand mixer | 02/27/2007 |
| D534394 | Blender | 01/02/2007 |
| D529758 | Personal sized blender | 10/10/2006 |
| D525828 | Spout for smoothie maker | 08/01/2006 |
| D525472 | Combination bread toaster and steamer device | 07/25/2006 |
| D520808 | Beverage mixer and heater | 05/16/2006 |
