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United States Utility Patents
4,926,280 - 4,926,289

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NumberTitle
4,926,280 Capacitor protection circuit for protecting storage capacitors in an electronic power supply
4,926,281 Fail-safe and fault-tolerant alternating current output circuit
4,926,282 Electric circuit breaking apparatus
4,926,283 Temperature protected transistor circuit and method of temperature protecting a transistor
4,926,284 Lightning protection device for interacting with leader stroke to prevent return stroke
4,926,285 Electrostatic discharge simulator with highly reproducible wave-front
4,926,286 Enclosed switchboard
4,926,287 Spring loaded hand operated extraction/insertion line replaceable module (LRM) lever
4,926,288 Over-current protection circuit
4,926,289 Actively shielded, superconducting magnet of an NMR tomography apparatus



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