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United States Utility Patents
4,092,630 - 4,092,639

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NumberTitle
4,092,630 System for error control and phasing in interconnected ARQ-circuits
4,092,631 Pattern recognition systems
4,092,632 Crossover arrangement for multiple scanning arrays
4,092,633 Condition sensor system and method
4,092,634 Electric indicator system for ball games
4,092,635 Humidity sensor alarm unit
4,092,636 Protective alarm system for window using reflected microwave energy
4,092,637 Liquid electrolyte type electrochromic display device
4,092,638 Display device employing special purpose monograms
4,092,639 Digital to analog converter with complementary true current outputs



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