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EP0635797A1
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A smart image system
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US4890383A
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Method for producing displays and modular components
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US4861991A
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Electron storage source for electron beam testers
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US4843280A
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A modular surface mount component for an electrical device or led's
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US4859632A
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Method for manufacturing the same
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US4802217A
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Method and apparatus for securing access to a computer facility
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US4774555A
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Power hemt structure
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US4855797A
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Modulation doped high electron mobility transistor with n-i-p-i structure
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US4866768A
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Station line interface circuit for a telecommunication network
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US4745085A
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Method of making I2 L heterostructure bipolar transistors
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US4644381A
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I2 L heterostructure bipolar transistors and method of making the same
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US4677302A
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Optical system for inspecting printed circuit boards wherein a ramp filter is disposed between reflected beam and photodetector
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US4696032A
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Voice switched gain system
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US4650998A
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Highly aligned optical device
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US4603366A
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High-speed voltage-sensitive circuit breaker
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US4586195A
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Microphone range finder
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US4611320A
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Programmable testing analyzer
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US4598401A
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Circuit testing apparatus employing signature analysis
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US4533792A
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Circuit for switching between ring signal and message waiting signal without bell tap
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US4567539A
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Power interruption and brownout detector
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