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United States Utility Patents
5,173,890 - 5,173,899

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NumberTitle
5,173,890 Optical pickup device including diffraction grating
5,173,891 WITHDRAWN
5,173,892 Data processing apparatus with replaceable memory
5,173,893 Disc double insertion preventing mechanism for disc player
5,173,894 Automatic disc loading and centering apparatus
5,173,895 WITHDRAWN
5,173,896 T-carrier network simulator
5,173,897 Method of restoring the correct cell sequence, particularly in an ATM exchange, and output unit therefor
5,173,898 Multiple-access control for a communication system with order pad passing
5,173,899 TDMA communications network of transmitting information between a central station and remote stations



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