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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| Application No. | Application Title | Issue Date |
| 20080250915 | Weapon System A weapon system comprising a barrel for accommodating a projectile in a breech end portion, a muzzle end portion and a breech. The weapon system further comprises means for purging the barrel comprising a coanda slot, a coanda profile provided downstream of the coanda s... | 10/16/2008 |
| 20070006506 | Liquid filling bullet for physical protection A liquid filled bullet is a hollow body. The bullet comprises a gunpowder chamber at an inner rear end; a propulsive valve at a front end of the gunpowder chamber; a free section formed between the gunpowder chamber and the propulsive valve; a receiving chamber at a fro... | 01/11/2007 |
| 20070006719 | Fume extractor This invention relates to a fume extractor (10) for extracting fumes from a bore (12) of a barrel (14) of a gun and comprising an annular main reservoir (16); an annular inlet reservoir (18); and an annular auxiliary reservoir (20 | 01/11/2007 |
