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United States Utility Patents
4,839,600 - 4,839,609

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NumberTitle
4,839,600 Ammeter for use with A.C. electric power lines
4,839,601 Directional current finder
4,839,602 Means for detecting metal in a stream of particulate matter
4,839,603 Multiple-loop microwave frequency synthesizer using two phase lockloops
4,839,604 Integrated circuit with clock distribution means for supplying clock signals
4,839,605 Signal compensation circuits
4,839,606 Digital FM demodulator signal-to-noise improvement
4,839,607 Frequency-doubling amplifying surface wave receiver
4,839,608 Circuit layout to eliminate alternating voltage interference signals
4,839,609 Differential amplifier



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