Name Size Creator Creation Date Labels Comment  
PDF File 2691066.pdf 726 kB Shaun Ewing Oct 05, 1954 00:00
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US-2691066-A // Automatic telephone system // Jr. Charles R. Fisher, // Stromberg Carlson Co
PDF File 2690091.pdf 789 kB Shaun Ewing Sept 28, 1954 00:00
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US-2690091-A // Tone generator // Slaymaker Frank H. ; Meeker Willard F. // Stromberg Carlson Co
PDF File 2688052.pdf 3.25 MB Shaun Ewing Aug 31, 1954 00:00
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US-2688052-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Co
PDF File 2686830.pdf 891 kB Shaun Ewing Aug 17, 1954 00:00
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US-2686830-A // Field recognition arrangement // Jr. Leslie M. Harris, // Stromberg Carlson Co
PDF File 2686223.pdf 1.87 MB Shaun Ewing Aug 10, 1954 00:00
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US-2686223-A // Combined toll and local connector // Powell Winfred T. // Stromberg Carlson Co
PDF File 2685617.pdf 2.67 MB Shaun Ewing Aug 03, 1954 00:00
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US-2685617-A // Automatic toll trunking system // Kessler Frank ; Pharis William W. // Stromberg Carlson Co
PDF File 2685616.pdf 374 kB Shaun Ewing Aug 03, 1954 00:00
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US-2685616-A // Trunk circuit monitoring signal // Pharis William W. // Stromberg Carlson Co
PDF File 2684409.pdf 1.63 MB Shaun Ewing Jul 20, 1954 00:00
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US-2684409-A // Remote testing apparatus for telephone dials // Kessler Frank // Stromberg Carlson Co
PDF File 2684407.pdf 443 kB Shaun Ewing Jul 20, 1954 00:00
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US-2684407-A // Selector // Pharis William W. // Stromberg Carlson Co
PDF File 2684402.pdf 623 kB Shaun Ewing Jul 20, 1954 00:00
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US-2684402-A // Dual-purpose carrier-wave receiver // Mountjoy Garrard // Stromberg Carlson Co
PDF File 2683192.pdf 541 kB Shaun Ewing Jul 06, 1954 00:00
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US-2683192-A // Contact spring assembly for relays // Vincent Andrew W. // Stromberg Carlson Co
PDF File 2680782.pdf 1.78 MB Shaun Ewing Jun 08, 1954 00:00
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US-2680782-A // Power supply circuit for electronic telephone systems // Morris Frank A. // Stromberg Carlson Co
PDF File 2679014.pdf 1.50 MB Shaun Ewing May 18, 1954 00:00
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US-2679014-A // Multifrequency voltage generator // Wheeler John L. // Stromberg Carlson Co
PDF File 2678355.pdf 3.75 MB Shaun Ewing May 11, 1954 00:00
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US-2678355-A // Automatic telephone system with digit-sending repeater // Pharis William W. // Stromberg Carlson Co
PDF File 2676250.pdf 798 kB Shaun Ewing Apr 20, 1954 00:00
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US-2676250-A // Pulse clipping circuit // Trousdale Robert B. // Stromberg Carlson Co
PDF File 2673312.pdf 116 kB Shaun Ewing Mar 23, 1954 00:00
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US-2673312-A // Semiconductor device // Odell Newton H. // Stromberg Carlson Co
PDF File 2672592.pdf 342 kB Shaun Ewing Mar 16, 1954 00:00
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US-2672592-A // Switching device // Maccheyne George W. // Stromberg Carlson Co
PDF File 2672580.pdf 276 kB Shaun Ewing Mar 16, 1954 00:00
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US-2672580-A // Semiconducting device // Henderson Kenneth L. ; Odell Newton H. // Stromberg Carlson Co
PDF File 2672510.pdf 1.33 MB Shaun Ewing Mar 16, 1954 00:00
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US-2672510-A // Vertical synchronization circuit for television receivers // Enslein Kurt // Stromberg Carlson Co
PDF File 2670406.pdf 1.24 MB Shaun Ewing Feb 23, 1954 00:00
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US-2670406-A // Telecommunication system // Elliott George // Stromberg Carlson Co
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