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 |
| 5810649 | Tool guide for sharpening woodcarving and tools A tool guide for sharpening woodcarving and lathe tools comprises a holder frame having an adjustable clamping member for clamping a portion of a tool against an inner surface thereof, and an adjustable foot member removably connected to the holder frame ... | 09/22/1998 |