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United States Utility Patents
5,280,420 - 5,280,429

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NumberTitle
5,280,420 Charge pump which operates on a low voltage power supply
5,280,421 Current regulator for a four-legged three-phase inverter
5,280,422 Method and apparatus for calibrating and controlling multiple heaters
5,280,423 Operation control device for washing machines
5,280,424 Oscillatory systems and methods of synthesizing same
5,280,425 Apparatus and method for production planning
5,280,426 Computerized network for subscribing/purchasing into games of chance
5,280,427 Puncture guide for computer tomography
5,280,428 Method and apparatus for projecting diagnostic images from volumed diagnostic data accessed in data tubes
5,280,429 Method and apparatus for displaying multi-frequency bio-impedance



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