Name Size Creator Creation Date Labels Comment  
PDF File 1955839.pdf 467 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955839-A // Electromagnetic switching device // Slauson William C. // Bell Telephone Labor Inc
PDF File 1955828.pdf 260 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955828-A // Wave translating system // Peterson Eugene // Bell Telephone Labor Inc
PDF File 1955827.pdf 957 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955827-A // Wave translating system // Peterson Eugene // Bell Telephone Labor Inc
PDF File 1955823.pdf 584 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955823-A // Electron discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc
PDF File 1955812.pdf 491 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955812-A // Electric meter // Keller Arthur C. // Bell Telephone Labor Inc
PDF File 1955801.pdf 512 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955801-A // Sound picture projector // Glunt Omer M. ; Gent Edgar W. // Bell Telephone Labor Inc
PDF File 1955788.pdf 540 kB Shaun Ewing Apr 24, 1934 00:00
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US-1955788-A // Transmission network // Bode Hendrik W. // Bell Telephone Labor Inc
PDF File 1954995.pdf 313 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954995-A // Process for metal-coating phonograph records // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 1954966.pdf 904 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954966-A // Sound translating device // Thuras Albert L. // Bell Telephone Labor Inc
PDF File 1954960.pdf 275 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954960-A // Method of joining thermoplastic insulation // Studt Ernst ; Kemp Archie R. ; Malm Frank S. // Felten & Guilleaume Carlswerk ; Bell Telephone Labor Inc
PDF File 1954958.pdf 720 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954958-A // Electric glow discharge lamp // Smythe Edwin H. // Bell Telephone Labor Inc
PDF File 1954950.pdf 358 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954950-A // Apparatus for metallically coating phonograph records // Russell Alexander G. // Bell Telephone Labor Inc
PDF File 1954943.pdf 604 kB Shaun Ewing Apr 17, 1934 00:00
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US-1954943-A // Wave transmission network // Norton Edward L. // Bell Telephone Labor Inc
PDF File 1953503.pdf 638 kB Shaun Ewing Apr 03, 1934 00:00
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US-1953503-A // Crossbar switch // Reynolds John N. // Bell Telephone Labor Inc
PDF File 1953496.pdf 612 kB Shaun Ewing Apr 03, 1934 00:00
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US-1953496-A // Long distance telephone system // Nebel Charles N. // Bell Telephone Labor Inc
PDF File 1953487.pdf 1.23 MB Shaun Ewing Apr 03, 1934 00:00
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US-1953487-A // Transmission control circuits // Knoop William A. // Bell Telephone Labor Inc
PDF File 1953474.pdf 1.62 MB Shaun Ewing Apr 03, 1934 00:00
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US-1953474-A // Telephone exchange system // Fowler Clarence B. ; Gooderham John W. // Bell Telephone Labor Inc
PDF File 1953465.pdf 700 kB Shaun Ewing Apr 03, 1934 00:00
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US-1953465-A // Distortion reduction in signaling systems // Chesnut Roy W. // Bell Telephone Labor Inc
PDF File 1953459.pdf 531 kB Shaun Ewing Apr 03, 1934 00:00
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US-1953459-A // Transmission network // Bennett William R. // Bell Telephone Labor Inc
PDF File 1952879.pdf 586 kB Shaun Ewing Mar 27, 1934 00:00
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US-1952879-A // Direction finding system // Martin De Loss K. // Bell Telephone Labor Inc
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