Name Size Creator Creation Date Labels Comment  
PDF File 2799730.pdf 1.10 MB Shaun Ewing Jul 16, 1957 00:00
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US-2799730-A // High speed polytonic calling signal generator employing kick coil // Lovell Clarence A. ; Murphy Orlando J. // Bell Telephone Labor Inc
PDF File 2799729.pdf 944 kB Shaun Ewing Jul 16, 1957 00:00
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US-2799729-A // Multifrequency high speed calling signal generator // Lovell Clarence A. // Bell Telephone Labor Inc
PDF File 2798944.pdf 2.09 MB Shaun Ewing Jul 09, 1957 00:00
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US-2798944-A // Signal seeking self adjusting radio receiving system // Lund Nean K. // Bell Telephone Labor Inc
PDF File 2799006.pdf 713 kB Shaun Ewing Jul 09, 1957 00:00
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US-2799006-A // Multiplexing various modes in composite conductors // Edson James O. // Bell Telephone Labor Inc
PDF File 2798905.pdf 631 kB Shaun Ewing Jul 09, 1957 00:00
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US-2798905-A // Wide band amplifier using positive feedback // Graham Robert E. // Bell Telephone Laboraturies In
PDF File 2797862.pdf 13.83 MB Shaun Ewing Jul 02, 1957 00:00
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US-2797862-A // Digital computer // Andrews Ernest G. ; Cesareo Orfeo ; Murphy Paul B. // Bell Telephone Labor Inc
PDF File 2798205.pdf 1.35 MB Shaun Ewing Jul 02, 1957 00:00
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US-2798205-A // Magnetically controllable transmission system // Hogan Clarence L. // Bell Telephone Labor Inc
PDF File 2798167.pdf 776 kB Shaun Ewing Jul 02, 1957 00:00
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US-2798167-A // Current supply apparatus // Mills John K. // Bell Telephone Labor Inc
PDF File 2798113.pdf 669 kB Shaun Ewing Jul 02, 1957 00:00
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US-2798113-A // Shield connectors // Koller Fredrick W. ; Tomer Howard G. // Bell Telephone Labor Inc ; Thomas & Betts Corp
PDF File 2798203.pdf 390 kB Shaun Ewing Jul 02, 1957 00:00
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US-2798203-A // Modulated electron discharge device // Robertson George H. // Bell Telephone Labor Inc
PDF File 2797377.pdf 1.09 MB Shaun Ewing Jun 25, 1957 00:00
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US-2797377-A // Motor control for contact adjusting machine // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2797392.pdf 953 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797392-A // Electrical conductor comprising multiplicity of insulated filaments // Clogston Albert M. // Bell Telephone Labor Inc
PDF File 2797353.pdf 874 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797353-A // Traveling wave type electron discharge devices // Molnar Julius P. ; Moster Clarence R. // Bell Telephone Labor Inc
PDF File 2797193.pdf 829 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797193-A // Method of treating the surface of solids with liquids // Eigler John H. ; Sullivan Miles V. // Bell Telephone Labor Inc
PDF File 2797340.pdf 818 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797340-A // Multiple quantized feedback in a regenerative repeater // Bennett William R. // Bell Telephone Labor Inc
PDF File 2797362.pdf 692 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797362-A // Magnetrons // Fletcher Robert C. ; Millman Sidney // Bell Telephone Labor Inc
PDF File 2797314.pdf 653 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797314-A // Demodulation of vestigial sideband signals // Eglin James M. // Bell Telephone Labor Inc
PDF File 2797361.pdf 585 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797361-A // Magnetrons // Glass Myron S. // Bell Telephone Labor Inc
PDF File 2797368.pdf 538 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797368-A // Cold cathode tube circuit // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2797394.pdf 500 kB Shaun Ewing Jun 25, 1957 00:00
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US-2797394-A // Electrical conductor having composite central dielectric member // Clogston Albert M. // Bell Telephone Labor Inc
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