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 |
| 7121047 | Flashing assembly A flashing assembly that incorporates a plurality of overlapping flashing sections that are each preferably formed from a sheet material. Each section includes opposite edge portions that are arranged about a generally V-shaped configuration. Joining the sections to... | 10/17/2006 |