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United States Utility Patents
4,660,210 - 4,660,219

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NumberTitle
4,660,210 Two-halogen donor mixture for XeF (C.fwdarw.A) laser
4,660,211 Melting furnace for vitrifying highly radioactive waste
4,660,212 Cold cage for a melting crucible by high frequency electromagnetic induction
4,660,213 Signal structure for data communication
4,660,214 QANI Trellis-coded signal structure
4,660,215 Transmitter/receiver system
4,660,216 Transmission system for the transmission of data signals in a modulation band
4,660,217 Shift register
4,660,218 Apparatus for switching telephone line a response device, a data terminal or a telephone
4,660,219 Extension ringing arrangement key telephone system



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