The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7156053 | Insecticide applicator and method for livestock An animal insecticide applicator is presented. The applicator includes a bag for holding a quantity of insecticide, the bag having a top, two sides and a bottom. The bag is formed of a first layer of coarse mesh material through which powder insecticide can pass. A ... | 01/02/2007 |
| 5109798 | Food supplement dispensing system for animals A dispenser system for providing food supplements to deer, cattle and the like. The preferred embodiment of the present invention contemplates an animal activated, liquid supplement container dispenser for dispensing a viscous food supplement such as vita... | 05/05/1992 |
| 4074659 | Cattle dusting bag A cattle dusting bag comprising An outer bag of thermoplastic material open at its lower end, An inner bag consisting of a substantially rigid porous cloth, having a heavily sewn seam at its upper end, said inner bag being divided into an upper portion and a l... | 02/21/1978 |