Name Size Creator Creation Date Labels Comment  
PDF File 2114017.pdf 665 kB Shaun Ewing Apr 12, 1938 00:00
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US-2114017-A // Cable terminal // Dring Arthur W. // Bell Telephone Labor Inc
PDF File 2114016.pdf 495 kB Shaun Ewing Apr 12, 1938 00:00
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US-2114016-A // Electrical counting system // Dimond Thomas L. // Bell Telephone Labor Inc
PDF File 2113256.pdf 456 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113256-A // Film driving mechanism // Jeanne Armand L. // Bell Telephone Labor Inc
PDF File 2113254.pdf 1.35 MB Shaun Ewing Apr 05, 1938 00:00
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US-2113254-A // Television system // Gray Frank // Bell Telephone Labor Inc
PDF File 2113221.pdf 338 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113221-A // Signaling system // Pullis George A. // Bell Telephone Labor Inc
PDF File 2113220.pdf 881 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113220-A // Rectifier system // Power James R. // Bell Telephone Labor Inc
PDF File 2113217.pdf 275 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113217-A // Signaling system // Nelson Stanley F. // Bell Telephone Labor Inc
PDF File 2113215.pdf 424 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113215-A // Cross-bar switch // Magrath Arthur C. // Bell Telephone Labor Inc
PDF File 2113210.pdf 486 kB Shaun Ewing Apr 05, 1938 00:00
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US-2113210-A // Frequency stable electric discharge oscillator // Hight Stuart C. // Bell Telephone Labor Inc
PDF File 2112951.pdf 12.79 MB Shaun Ewing Apr 05, 1938 00:00
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US-2112951-A // Telephone system // Carpenter Warren W. ; Matthies William H. // Bell Telephone Labor Inc
PDF File 2112542.pdf 450 kB Shaun Ewing Mar 29, 1938 00:00
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US-2112542-A // Electromagnet and controlling circuits therefor // Myers Oscar // Bell Telephone Labor Inc
PDF File 2112541.pdf 580 kB Shaun Ewing Mar 29, 1938 00:00
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US-2112541-A // Measuring circuits // Morton Edmund R. // Bell Telephone Labor Inc
PDF File 2112533.pdf 803 kB Shaun Ewing Mar 29, 1938 00:00
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US-2112533-A // Frequency changer system // Kalb Robert M. // Bell Telephone Labor Inc
PDF File 2112515.pdf 2.03 MB Shaun Ewing Mar 29, 1938 00:00
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US-2112515-A // Two-way signaling system // Bjornson Bjorn G. ; Bryant New Ton W. // Bell Telephone Labor Inc
PDF File 2112375.pdf 2.01 MB Shaun Ewing Mar 29, 1938 00:00
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US-2112375-A // Timing mechanism // Mead Edward D. // Bell Telephone Labor Inc
PDF File 2112370.pdf 312 kB Shaun Ewing Mar 29, 1938 00:00
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US-2112370-A // Wire spacing bracket // Klein Charles H. // Bell Telephone Labor Inc
PDF File 2112366.pdf 949 kB Shaun Ewing Mar 29, 1938 00:00
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US-2112366-A // Telephone control circuit // Hersey Ralph E. // Bell Telephone Labor Inc
PDF File 2111652.pdf 2.77 MB Shaun Ewing Mar 22, 1938 00:00
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US-2111652-A // Communicating system // Williams Samuel B. // Bell Telephone Labor Inc
PDF File 2111651.pdf 288 kB Shaun Ewing Mar 22, 1938 00:00
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US-2111651-A // High-frequency transmission system // Wentz Jesse F. // Bell Telephone Labor Inc
PDF File 2111646.pdf 448 kB Shaun Ewing Mar 22, 1938 00:00
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US-2111646-A // Signaling system // Soffel Robert O. // Bell Telephone Labor Inc
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