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 |
| 6948218 | Spring clip apparatus A spring clip device for use with leashes and dog runs to prevent or reduce the likelihood of injury to pets and their owners. The spring clip assembly includes a closable clip member, a swivel portion, a housing, a sleeve member and a resilient member. The closable... | 09/27/2005 |
| 6578524 | Flexible and removably detachable tie-out and system of same A flexible and removably detachable tie-out and tie-out system are provided. The tie-out includes a rigid portion removably coupled to a flexible portion. The flexible portion allows total universal motion of the tie-out and absorbs the pulls and tugs of ... | 06/17/2003 |
| 6530345 | Tangle-free lead device for a leash A tangle free lead device has a coupler with first and second bores in axial alignment. A first linear element is rotatably received in the first bore and a second linear element is rotatably received in the second bore. A head on each linear element, pos... | 03/11/2003 |
| 5806469 | Breakaway loop for lariats A releasable honda for lariat ropes has a heel with a throat through which the rope passes, with a tapered throat end forming a cavity for containing a knot in the rope; teeth and/or ridged projections inside the throat retain the rope in position. An axi... | 09/15/1998 |
| 4149492 | Remote release leash A remote release leash for a dog collar including a hand held actuator at one end, a latch at the other end, and a tube joining the actuator and latch. The latch includes a bolt, spring biased to the closed position. The actuator includes a plunger spring... | 04/17/1979 |