Name Size Creator Creation Date Labels Comment  
PDF File 2706221.pdf 878 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706221-A // Two-step lockout system // Bjornson Bjorn G. // Bell Telephone Labor Inc
PDF File 2706222.pdf 846 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706222-A // Transistor lockout circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc
PDF File 2706223.pdf 1.10 MB Shaun Ewing Apr 12, 1955 00:00
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US-2706223-A // Polytonic high speed calling signal generator // Lovell Clarence A. ; Murphy Orlando J. // Bell Telephone Labor Inc
PDF File 2706258.pdf 297 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706258-A // Voltage testing circuit // Mills John K. ; Ross Walter S. // Bell Telephone Labor Inc
PDF File 2706263.pdf 453 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706263-A // Gas discharge transmit-receive switch // Anderson Alva Eugene // Bell Telephone Labor Inc
PDF File 2706264.pdf 418 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706264-A // Storage tube circuit // Anderson Alva Eugene // Bell Telephone Labor Inc
PDF File 2706326.pdf 419 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706326-A // Polarization process for pseudocubic ferroelectrics // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2706366.pdf 543 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706366-A // Method of constructing a helix assembly // Best Fred H. // Bell Telephone Labor Inc
PDF File 2706749.pdf 1.17 MB Shaun Ewing Apr 19, 1955 00:00
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US-2706749-A // Testing small private branch exchange trunk groups // Krom Myron E. // Bell Telephone Labor Inc
PDF File 2706756.pdf 382 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706756-A // Electromechanical switch // Brewer Sherman T. // Bell Telephone Labor Inc
PDF File 2706779.pdf 270 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706779-A // High gain antenna // Babcock Wallace C. // Bell Telephone Labor Inc
PDF File 2706781.pdf 516 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706781-A // Mechanical stabilizer for supporting radar antenna // Jr. Frank A. Goss, // Bell Telephone Labor Inc
PDF File 2706782.pdf 679 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706782-A // Broad band microwave noise source // Mumford William W. // Bell Telephone Labor Inc
PDF File 2706783.pdf 1.02 MB Shaun Ewing Apr 19, 1955 00:00
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US-2706783-A // Crystal controlled oscillators // Hensel Waldo G. // Bell Telephone Labor Inc
PDF File 2706784.pdf 704 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706784-A // Noise source // Mumford William W. // Bell Telephone Labor Inc
PDF File 2707231.pdf 688 kB Shaun Ewing Apr 26, 1955 00:00
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US-2707231-A // Frequency stabilization of oscillators // Townes Charles H. // Bell Telephone Labor Inc
PDF File 2707235.pdf 2.30 MB Shaun Ewing Apr 26, 1955 00:00
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US-2707235-A // Frequency selective systems // Townes Charles H. // Bell Telephone Labor Inc
PDF File 2707391.pdf 1.27 MB Shaun Ewing May 03, 1955 00:00
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US-2707391-A // Testing viscous liquids // Mcskimin Herbert J. // Bell Telephone Labor Inc
PDF File 2707759.pdf 804 kB Shaun Ewing May 03, 1955 00:00
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US-2707759-A // Electronic amplifier // Pierce John R. // Bell Telephone Labor Inc
PDF File 2708236.pdf 2.01 MB Shaun Ewing May 10, 1955 00:00
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US-2708236-A // Microwave amplifiers // Pierce John R. // Bell Telephone Labor Inc
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