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 |
| 7100701 | Fire-fighting device The invention relates to an apparatus for fire-fighting comprising a fire-extinguishing nozzle (4) connected to an extinguisher fluid supply (3) via a pipe (2) and comprising an alarm device (5) which delivers a warning signal at the begi... | 09/05/2006 |
| 6830109 | Method and device for fighting fires The invention is for a method for firefighting in which a directed jet of extinguisher foam is applied so as to cover the source of the fire, and to a device suitable for implementing this method. The method and device make it possible to extinguish fires which are ... | 12/14/2004 |
| 6732808 | Fire-extinguishing device This invention relates to a fire extinguishing device, with at least one supply line (4) that is dry with the device in an idle state, through which at least one extinguishing nozzle (1) is connected with an extinguishing fluid supply unit, which fills... | 05/11/2004 |
