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 |
| 6612658 | Trolley cart wheel-axle assembly A heavy duty wheel-axle assembly for industrial trolley carts in which wheel assemblies are mounted at either end of an axle, an inner bearing race of each wheel positively non-rotationally secured to the axle by interengagement of a non-round shaped posi... | 09/02/2003 |
| 5547308 | Fastening device A fasting device has a shaft and a clamping assembling. The clamping assembly has an outer housing shaped so as to retain the object to be clamped in position and an inner core rotatably disposed within the outer housing and in threaded engagement with a ... | 08/20/1996 |
| 4905605 | Conveyor trolley A conveyor trolley with a pair of wheels rolling on a flat upper face of an upper end rail portion of a guide rail, one wheel acting as a drive wheel and attached to an output shaft of a speed-reducing unit mounted on a trolley body movably supported on t... | 03/06/1990 |
| 4679860 | Wheel assembly for vehicle A wheel assembly for a vehicle includes a hub including a tubular body and a radial flange formed around an outer peripheral surface of the hub body and having opposite radial faces, and a separate rim including an annular body disposed coaxially with the... | 07/14/1987 |
| 4383787 | Free spinning laminated nut with automatic lock A laminated nut composed of laminations of tapped conical spring washer segments in which at least one of the segments has a different load-deflection ratio than another segment, thereby to provide for more uniform loading of the threads on the laminated ... | 05/17/1983 |