Name Size Creator Creation Date Labels Comment  
PDF File 2337885.pdf 769 kB Shaun Ewing Dec 28, 1943 00:00
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US-2337885-A // Telephone booth // Hallam Cecil A. // Bell Telephone Labor Inc
PDF File 2337883.pdf 438 kB Shaun Ewing Dec 28, 1943 00:00
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US-2337883-A // Pneumatic ticket receiving valve // Gent Edgar W. // Bell Telephone Labor Inc
PDF File 2337878.pdf 1.52 MB Shaun Ewing Dec 28, 1943 00:00
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US-2337878-A // Carrier wave signaling system // Espenschied Lloyd // Bell Telephone Labor Inc
PDF File 2337642.pdf 1.50 MB Shaun Ewing Dec 28, 1943 00:00
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US-2337642-A // Automatic toll ticketing system // Busch Aloysius J. // Bell Telephone Labor Inc
PDF File 2337578.pdf 1.05 MB Shaun Ewing Dec 28, 1943 00:00
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US-2337578-A // Television system // Teal Gordon K. // Bell Telephone Labor Inc
PDF File 2337541.pdf 1.29 MB Shaun Ewing Dec 28, 1943 00:00
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US-2337541-A // Electric circuit // Burgess Montague S. // Bell Telephone Labor Inc
PDF File 2337540.pdf 712 kB Shaun Ewing Dec 28, 1943 00:00
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US-2337540-A // Measurement of envelope delay of electric circuits // Burgess Montague S. // Bell Telephone Labor Inc
PDF File 2337496.pdf 1.18 MB Shaun Ewing Dec 21, 1943 00:00
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US-2337496-A // Multiway regenerative repeater // Rea Wilton T. // Bell Telephone Labor Inc
PDF File 2337493.pdf 2.04 MB Shaun Ewing Dec 21, 1943 00:00
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US-2337493-A // Code signaling system // Pfleger Kenneth W. // Bell Telephone Labor Inc
PDF File 2337486.pdf 771 kB Shaun Ewing Dec 21, 1943 00:00
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US-2337486-A // Selectively operated circuit controlling device // Miller Albert H. // Bell Telephone Labor Inc
PDF File 2337433.pdf 3.83 MB Shaun Ewing Dec 21, 1943 00:00
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US-2337433-A // Telephone system // Walsh John G. // Bell Telephone Labor Inc
PDF File 2337423.pdf 535 kB Shaun Ewing Dec 21, 1943 00:00
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US-2337423-A // Negative feed-back amplifier // Stillwell Albert L. // Bell Telephone Labor Inc
PDF File 2337399.pdf 219 kB Shaun Ewing Dec 21, 1943 00:00
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US-2337399-A // Attenuation equalizer // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2337397.pdf 522 kB Shaun Ewing Dec 21, 1943 00:00
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US-2337397-A // Terminal bank // Mcwilliams Charles W. // Bell Telephone Labor Inc
PDF File 2336888.pdf 786 kB Shaun Ewing Dec 14, 1943 00:00
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US-2336888-A // Two-way telephone system // Reier George C. // Bell Telephone Labor Inc
PDF File 2336880.pdf 691 kB Shaun Ewing Dec 14, 1943 00:00
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US-2336880-A // Stereophonic conference system // Mitchell Doren // Bell Telephone Labor Inc
PDF File 2336866.pdf 1.19 MB Shaun Ewing Dec 14, 1943 00:00
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US-2336866-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2336861.pdf 411 kB Shaun Ewing Dec 14, 1943 00:00
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US-2336861-A // Selector switch circuit // Gray Cecil R. // Bell Telephone Labor Inc
PDF File 2336543.pdf 619 kB Shaun Ewing Dec 14, 1943 00:00
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US-2336543-A // Digit signal translator // Hibbard Frank H. // Bell Telephone Labor Inc
PDF File 2336384.pdf 1.02 MB Shaun Ewing Dec 07, 1943 00:00
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US-2336384-A // Surface hardening of linear polyamide bodies // Baker William O. ; Pape Norman R. // Bell Telephone Labor Inc
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