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United States Utility Patents
4,519,000 - 4,519,009

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NumberTitle
4,519,000 Magnetographic carriage printer
4,519,001 Apparatus for providing dropout compensation and error concealment in a PAL format video information signal
4,519,002 Controlling the operations of at least two devices
4,519,003 Video recorder including a plurality of operating elements
4,519,004 Extended play videodisc
4,519,005 Magnetic tape reproducing apparatus
4,519,006 Magnetic head device
4,519,007 Servo-track position detection systems
4,519,008 Method of recording and reproducing visual information in audio recording medium and audio recording medium recorded with visual information
4,519,009 Dictation recording and transcribing system utilizing a multiple media cartridge apparatus



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