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 |
| 6085505 | Industrial vehicle with adjustable boom members An industrial vehicle includes a frame, a motive device mounted on the frame, a platform mounted on the frame adjacent to the motive device, a main boom member associated with an industrial implement, the main boom member being coupled to the platform, an... | 07/11/2000 |