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 |
| 7771264 | Method and apparatus for conducting a wagering game of chance including a prize wheel game A system and method are provided for playing a game of chance. The game of chance may include, for example, a lottery-type game. A result of the game of chance is revealed to a player in another medium. In one example, the result is revealed during multiple game ins... | 08/10/2010 |
| 7750252 | Apparatus and method for limiting noise and smoke emissions due to failure of electronic devices or assemblies An apparatus and method are provided for limiting failure noise and smoke emissions produced as a result of electrical failure conditions and/or failed electronic devices or assemblies of electronic equipment, such as IT and telecommunications equipment. In one aspe... | 07/06/2010 |
| 7740650 | Electrical stimulation unit and waterbath system A method for treating an infected area on a subject, comprising the steps of: exposing the infected area to an aqueous solution; and providing direct current to the aqueous solution to treat the infected area. ... | 06/22/2010 |
| 7629201 | Method for fabricating a wafer level package with device wafer and passive component integration According to an exemplary embodiment, a wafer level package includes a device wafer including at least one device wafer contact pad and a device, and where the at least one device wafer contact pad is electrically connected to the device. The wafer level package inc... | 12/08/2009 |
| 7610486 | Conditional access system and method The present invention relates to methods of and systems for providing conditional access to electronic content. Electronic content is provided to a user along with authorization information. The electronic content may be transmitted to the user, and the user may use... | 10/27/2009 |
| 7601040 | Method and apparatus for controlling a marine vessel One embodiment of the invention comprises a method for controlling a marine vessel having a first steerable propulsor, a corresponding first reversing device, a second steerable propulsor and a corresponding second reversing device. The method comprises receiving a ... | 10/13/2009 |
| 7573232 | Battery exchange apparatus and method for uninterruptible power supply An uninterruptible power supply comprises an input to receive input power from a power source, an output to provide power to a load from at least one of the input power and the battery, a battery having a plurality of terminals, an upper housing portion having a plu... | 08/11/2009 |
| 7573156 | Apparatus for and method of connecting a power source to a device According to one aspect of the invention, an uninterruptible power supply includes UPS circuitry, a power source adapted to couple to the UPS circuitry, a first contact, a second contact, and a third contact. The first contact, the second contact, and the third cont... | 08/11/2009 |