Name Size Creator Creation Date Labels Comment  
PDF File 2358211.pdf 603 kB Shaun Ewing Sept 12, 1944 00:00
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US-2358211-A // Method of forming resistors and the like // Christensen Carl J. ; Christensen Howard // Bell Telephone Labor Inc
PDF File 2358099.pdf 251 kB Shaun Ewing Sept 12, 1944 00:00
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US-2358099-A // Tone control for transmitters // Polk Robert E. // Bell Telephone Labor Inc
PDF File 2358095.pdf 994 kB Shaun Ewing Sept 12, 1944 00:00
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US-2358095-A // Switching device // Parker Carlyle V. // Bell Telephone Labor Inc
PDF File 2358087.pdf 542 kB Shaun Ewing Sept 12, 1944 00:00
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US-2358087-A // Electromechanical filter // Lane Clarence E. // Bell Telephone Labor Inc
PDF File 2358045.pdf 1.31 MB Shaun Ewing Sept 12, 1944 00:00
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US-2358045-A // Noise reduction in signal transmission systems // Barney Harold L. // Bell Telephone Labor Inc
PDF File 2357591.pdf 356 kB Shaun Ewing Sept 05, 1944 00:00
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US-2357591-A // Joint for metal sheath cables // Kleinfelder Walter C. // Bell Telephone Labor Inc
PDF File 2357576.pdf 2.56 MB Shaun Ewing Sept 05, 1944 00:00
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US-2357576-A // Pay station telephone system // Brooks Chester E. ; Flint Erlon W. // American Telephone & Telegraph ; Bell Telephone Labor Inc
PDF File 2357307.pdf 594 kB Shaun Ewing Sept 05, 1944 00:00
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US-2357307-A // Work supporting fixture // Bond Walter L. // Bell Telephone Labor Inc
PDF File 2357118.pdf 294 kB Shaun Ewing Aug 29, 1944 00:00
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US-2357118-A // Lineman's cable car // Kent Robert J. // Bell Telephone Labor Inc
PDF File 2357108.pdf 564 kB Shaun Ewing Aug 29, 1944 00:00
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US-2357108-A // Switching mechanism // Hartley Ralpli V. L. // Bell Telephone Labor Inc
PDF File 2356956.pdf 737 kB Shaun Ewing Aug 29, 1944 00:00
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US-2356956-A // Process of carbonizing // Thurber Elmer A. ; Wooten Leland A. // Bell Telephone Labor Inc
PDF File 2356943.pdf 527 kB Shaun Ewing Aug 29, 1944 00:00
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US-2356943-A // Transmission control in two-way signaling systems // Norwine Andrew C. // Bell Telephone Labor Inc
PDF File 2356867.pdf 980 kB Shaun Ewing Aug 29, 1944 00:00
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US-2356867-A // Negative resistance loading // Meyers Stanley T. // Bell Telephone Labor Inc
PDF File 2356846.pdf 1.39 MB Shaun Ewing Aug 29, 1944 00:00
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US-2356846-A // Telephone system // Holbrook Bernard D. // Bell Telephone Labor Inc
PDF File 2356831.pdf 334 kB Shaun Ewing Aug 29, 1944 00:00
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US-2356831-A // Leakproof terminal structure // Monte Robert W. De ; Milarta Louis E. // Bell Telephone Labor Inc
PDF File 2356583.pdf 267 kB Shaun Ewing Aug 22, 1944 00:00
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US-2356583-A // Process of preparing soldering coppers // Hampton Leon N. // Bell Telephone Labor Inc
PDF File 2356566.pdf 823 kB Shaun Ewing Aug 22, 1944 00:00
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US-2356566-A // Electronic discharge device // Clark James E. ; Domaleski Joseph V. ; Ronci Victor L. // Bell Telephone Labor Inc
PDF File 2356519.pdf 1.66 MB Shaun Ewing Aug 22, 1944 00:00
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US-2356519-A // Communication system // Hubbard Francis A. // Bell Telephone Labor Inc
PDF File 2356514.pdf 1.27 MB Shaun Ewing Aug 22, 1944 00:00
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US-2356514-A // Electrical switching // Graham Robert E. // Bell Telephone Labor Inc
PDF File 2356478.pdf 520 kB Shaun Ewing Aug 22, 1944 00:00
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US-2356478-A // Method of acoustic measurement // Stryker Norman R. // Bell Telephone Labor Inc
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