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United States Utility Patents
5,077,460 - 5,077,469

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NumberTitle
5,077,460 Heatable turntable
5,077,461 Far-infra-red heater
5,077,462 Vending apparatus incorporating an improved closed loop positioning system
5,077,463 Bar code reading apparatus
5,077,464 Method and apparatus for endpoint detection in a semiconductor wafer etching system
5,077,465 Gyro-stabilized seeker
5,077,466 Detector of electromagnetic waves having five different forbidden gap widths
5,077,467 Photoelectric switch and relay system with disabling fail-safe monitoring circuitry
5,077,468 Electrostatic charging apparatus and method
5,077,469 Calibrating a nondispersive infrared gas analyzer



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