Name Size Creator Creation Date Labels Comment  
PDF File 3151320.pdf 500 kB Shaun Ewing Sept 29, 1964 00:00
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US-3151320-A // Alarm system with transferable indication // Morrongiello Joseph F. // Bell Telephone Labor Inc
PDF File 3151316.pdf 1.25 MB Shaun Ewing Sept 29, 1964 00:00
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US-3151316-A // Magnetic data storage system // Bobeck Andrew H. // Bell Telephone Labor Inc
PDF File 3151272.pdf 662 kB Shaun Ewing Sept 29, 1964 00:00
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US-3151272-A // Modulating device for cathode ray display tube // Crowell Merton H. // Bell Telephone Labor Inc
PDF File 3151270.pdf 996 kB Shaun Ewing Sept 29, 1964 00:00
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US-3151270-A // Electron ribbon beam encoder tube with beam tilt control // Crowell Merton H. // Bell Telephone Labor Inc
PDF File 3151220.pdf 2.09 MB Shaun Ewing Sept 29, 1964 00:00
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US-3151220-A // Register sender circuit // Arnold Philip H. ; Vehmeler Robert H. // Bell Telephone Labor Inc
PDF File 3150874.pdf 405 kB Shaun Ewing Sept 29, 1964 00:00
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US-3150874-A // Self-indexing of machine-stacked cards // Zinke Robert A. // Bell Telephone Labor Inc
PDF File 3150341.pdf 405 kB Shaun Ewing Sept 22, 1964 00:00
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US-3150341-A // Piezoresistive stress transducers // Pfann William G. // Bell Telephone Labor Inc
PDF File 3150326.pdf 951 kB Shaun Ewing Sept 22, 1964 00:00
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US-3150326-A // Variolosser circuits having identical frequency selectivity at all loss settings // Witt Francis J. // Bell Telephone Labor Inc
PDF File 3150310.pdf 1.40 MB Shaun Ewing Sept 22, 1964 00:00
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US-3150310-A // Control circuit for series connected semiconductors // Ault Cyrus F. // Bell Telephone Labor Inc
PDF File 3150268.pdf 413 kB Shaun Ewing Sept 22, 1964 00:00
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US-3150268-A // Battery switching circuit // Anderson Theodore C. ; Favin David L. // Bell Telephone Labor Inc
PDF File 3150238.pdf 835 kB Shaun Ewing Sept 22, 1964 00:00
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US-3150238-A // Relay control circuit // Carter Herman T. // Bell Telephone Labor Inc
PDF File 3150236.pdf 9.44 MB Shaun Ewing Sept 22, 1964 00:00
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US-3150236-A // Integrated two-and four-wire telephone switching system // Gorgas John W. ; Hurst George A. ; Pfrommer John S. ; Scheer William H. // Bell Telephone Labor Inc
PDF File 3149901.pdf 664 kB Shaun Ewing Sept 22, 1964 00:00
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US-3149901-A // Recorder // Hagelbarger David W. // Bell Telephone Labor Inc
PDF File 3149395.pdf 612 kB Shaun Ewing Sept 22, 1964 00:00
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US-3149395-A // Method of making a varactor diode by epitaxial growth and diffusion // Bray Anthony R. ; Kahng Dawon // Bell Telephone Labor Inc
PDF File 3149323.pdf 577 kB Shaun Ewing Sept 15, 1964 00:00
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US-3149323-A // Three-level binary code transmission // Aaron Marvin R. ; Mayo John S. // Bell Telephone Labor Inc
PDF File 3149298.pdf 493 kB Shaun Ewing Sept 15, 1964 00:00
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US-3149298-A // Neel effect switching device // Handelman Eileen T. // Bell Telephone Labor Inc
PDF File 3149291.pdf 668 kB Shaun Ewing Sept 15, 1964 00:00
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US-3149291-A // Transistor core converter with current feedback // Massey Richard P. // Bell Telephone Labor Inc
PDF File 3149290.pdf 854 kB Shaun Ewing Sept 15, 1964 00:00
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US-3149290-A // Gas optical maser // Jr. William R. Bennett, ; Javan Ali // Bell Telephone Labor Inc
PDF File 3149246.pdf 441 kB Shaun Ewing Sept 15, 1964 00:00
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US-3149246-A // Thermoelectric generators // Mason Warren P. // Bell Telephone Labor Inc
PDF File 3149245.pdf 1.07 MB Shaun Ewing Sept 15, 1964 00:00
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US-3149245-A // Circuit for producing current pulses having overshoot and undershoot // Barnes Clare E. ; Goordman Robert V. // Bell Telephone Labor Inc
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