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United States Utility Patents
4,958,130 - 4,958,139

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NumberTitle
4,958,130 Evaluation method of corrosion of steel material embedded in concrete
4,958,131 Circuit arrangement for the combined application of an inductive and capacitative device for the non-destructive measurement of the ohmic resistance of thin layers
4,958,132 Complementary metal-oxide-semiconductor translator
4,958,133 CMOS complementary self-biased differential amplifier with rail-to-rail common-mode input-voltage range
4,958,134 Noise suppression device comprising a toroid winding
4,958,135 High rating molded case multipole circuit breaker
4,958,136 Circuit breaker with individual gap adjustment at high and low settings of magnetic trip
4,958,137 Electromagnetic relay
4,958,138 Resistive position indicator
4,958,139 Method and apparatus for automatically calibrating the gain and offset of a time-shifted digitizing channel



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