Name Size Creator Creation Date Labels Comment  
PDF File 2336362.pdf 1.01 MB Shaun Ewing Dec 07, 1943 00:00
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US-2336362-A // Telegraph system // Mahoney Joseph A. // Bell Telephone Labor Inc
PDF File 2333211.pdf 644 kB Shaun Ewing Nov 02, 1943 00:00
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US-2333211-A // Voltage regulator // Stevens Bruce E. // Bell Telephone Labor Inc
PDF File 2333179.pdf 1.25 MB Shaun Ewing Nov 02, 1943 00:00
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US-2333179-A // Communication system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2333148.pdf 970 kB Shaun Ewing Nov 02, 1943 00:00
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US-2333148-A // Inductance apparatus // Botsford Nelson // Bell Telephone Labor Inc
PDF File 2333140.pdf 575 kB Shaun Ewing Nov 02, 1943 00:00
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US-2333140-A // Communication system // Allen Lawrence H. // Bell Telephone Labor Inc
PDF File 2332977.pdf 1.11 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332977-A // Space discharge device and circuits // Skellett Albert M. // Bell Telephone Labor Inc
PDF File 2332966.pdf 1.22 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332966-A // Code call system // Erwin Edson L. // Bell Telephone Labor Inc
PDF File 2332912.pdf 3.02 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332912-A // Telephone system // Hecht George ; Lundstrom Alexis A. ; Taylor Edmund R. // Bell Telephone Labor Inc
PDF File 2332907.pdf 663 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332907-A // Signaling system // Fritschi Walter W. // Bell Telephone Labor Inc
PDF File 2332878.pdf 1.23 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332878-A // Dial operated crossbar selector // Vroom Edward // Bell Telephone Labor Inc
PDF File 2332872.pdf 416 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332872-A // Station circuit // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2332645.pdf 1.32 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332645-A // Station selecting system // Keithley Joseph F. ; Knandel George J. // Bell Telephone Labor Inc
PDF File 2332643.pdf 837 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332643-A // Telephone set circuit // Johnson Kenneth S. // Bell Telephone Labor Inc
PDF File 2332622.pdf 2.43 MB Shaun Ewing Oct 26, 1943 00:00
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US-2332622-A // Electron discharge device // Calbick Chester J. // Bell Telephone Labor Inc
PDF File 2332596.pdf 405 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332596-A // Resistor device // Pearson Gerald L. // Bell Telephone Labor Inc
PDF File 2332551.pdf 584 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332551-A // Telephone set circuit // Bascom Henry M. // Bell Telephone Labor Inc
PDF File 2332494.pdf 512 kB Shaun Ewing Oct 26, 1943 00:00
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US-2332494-A // Signaling system // Babcock Stuart M. ; Jr. Arthur W. Horton, ; Logan Mason A. // Bell Telephone Labor Inc
PDF File 2332451.pdf 1.09 MB Shaun Ewing Oct 19, 1943 00:00
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US-2332451-A // Telegraph trouble indicator circuit // Marshall Tola A. // Bell Telephone Labor Inc
PDF File 2332448.pdf 783 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332448-A // Telephone system // Inglis Alfred H. // Bell Telephone Labor Inc
PDF File 2332430.pdf 963 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332430-A // Two-way telephone system // Berger Uriah S. // Bell Telephone Labor Inc
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