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 |
| 7418924 | Kit of parts for and a livestock feeder A livestock feeder (50) includes a gravity pulled, fold-down grill (56,57) on both sides of a main frame (51) that can hold a supply of livestock feed such as a hay bale (82) therein. The fold-down grills face each other and fold down on ... | 09/02/2008 |
| 5988111 | Seed platform A new seed platform for suspending below a bird feeder to catch feed that falls from the feeder. The inventive device includes a platform having a perimeter frame portion and a central portion. The central portion of the platform is generally flat and has... | 11/23/1999 |
| 5794565 | Pet feeding station A pet feeding station comprising a generally rectangular tray with a horizontal mount having a recess to receive and support at least one dish for containing water or pet food. The horizontal mount is provided with openings or perforations which allow spi... | 08/18/1998 |
| 5105769 | Animal feeding device An integral, lightweight, animal feeding device is disclosed. The device has a first bottom, bowl-shaped section joined to a narrower second section which, in turn, is joined to a wider third section. A tray is located at the top of the device. The tray c... | 04/21/1992 |
| 4834801 | Diet delivery system A diet delivery system for the controlled delivery of food to an animal particularly adapted to facilitate intake monitoring and maintain biocontainment capabilities while in microgravity is provided. The system includes a cage insert for an animal enclos... | 05/30/1989 |