Name Size Creator Creation Date Labels Comment  
PDF File 2405179.pdf 522 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405179-A // Electromechanical device // Jr. Robert Black, ; Romanow Frank F. // Bell Telephone Labor Inc
PDF File 2405180.pdf 319 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405180-A // Insulator // Blattner David G. ; Clayden Francis W. // Bell Telephone Labor Inc
PDF File 2405182.pdf 468 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405182-A // Ultrasonic ranging device // Bollman John H. // Bell Telephone Labor Inc
PDF File 2405192.pdf 204 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405192-A // Resistor // Davis Gustoff W. // Bell Telephone Labor Inc
PDF File 2405194.pdf 1.08 MB Shaun Ewing Aug 06, 1946 00:00
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US-2405194-A // Telephone system // Dehn Joseph W. ; Goddard Myron C. // Bell Telephone Labor Inc
PDF File 2405209.pdf 194 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405209-A // Submarine signal device // Harry William R. // Bell Telephone Labor Inc
PDF File 2405210.pdf 222 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405210-A // Submarine signal device // Inglis Alfred H. // Bell Telephone Labor Inc
PDF File 2405211.pdf 520 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405211-A // Communication system // Hartley Ralph V. L. // Bell Telephone Labor Inc
PDF File 2405214.pdf 1.14 MB Shaun Ewing Aug 06, 1946 00:00
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US-2405214-A // Call distributing system // Holbrook Bernard D. ; Logan Mason A. // Bell Telephone Labor Inc
PDF File 2405225.pdf 410 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405225-A // Submarine signal system // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2405226.pdf 700 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405226-A // Low frequency projector or hydrophone // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2405227.pdf 764 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405227-A // Geometrical instrument // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2405230.pdf 577 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405230-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc
PDF File 2405231.pdf 1.28 MB Shaun Ewing Aug 06, 1946 00:00
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US-2405231-A // Aircraft blind landing system // Newhouse Russell C. // Bell Telephone Labor Inc
PDF File 2405242.pdf 1.24 MB Shaun Ewing Aug 06, 1946 00:00
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US-2405242-A // Microwave radio transmission // Southworth George C. // Bell Telephone Labor Inc
PDF File 2405246.pdf 617 kB Shaun Ewing Aug 06, 1946 00:00
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US-2405246-A // Sound recording system // Watson Edward F. // Bell Telephone Labor Inc
PDF File 2405569.pdf 2.48 MB Shaun Ewing Aug 13, 1946 00:00
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US-2405569-A // Cryptographic telegraph system // Fitch Karl E. ; Locke George A. // Bell Telephone Labor Inc
PDF File 2405570.pdf 3.68 MB Shaun Ewing Aug 13, 1946 00:00
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US-2405570-A // Cryptographic telegraph system // Dehn Joseph W. // Bell Telephone Labor Inc
PDF File 2405571.pdf 2.25 MB Shaun Ewing Aug 13, 1946 00:00
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US-2405571-A // Cryptographic telegraph system // Fitch Karl E. ; Locke George A. // Bell Telephone Labor Inc
PDF File 2405588.pdf 288 kB Shaun Ewing Aug 13, 1946 00:00
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US-2405588-A // Rotary driving mechanism // Mallina Rudolph F. // Bell Telephone Labor Inc
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