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U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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 of patents: 1
Last date: November 07, 2006

Number	Title	Issue Date
7131887	Card interactive amusement device The present invention provides an amusement device having a body, wherein the body has features, at least one motor for powering the device and at least some of the features, and an information receiving structure for receiving information from an information carryi...	11/07/2006