Name Size Creator Creation Date Labels Comment  
PDF File 2541936.pdf 2.65 MB Shaun Ewing Feb 13, 1951 00:00
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US-2541936-A // Register-sender for automatic telephone systems // Powell Winfred T. // Stromberg Carlson Co
PDF File 2661396.pdf 2.63 MB Shaun Ewing Dec 01, 1953 00:00
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US-2661396-A // Line finder with differential test relay // Powell Winfred T. // Stromberg Carlson Co
PDF File 3521001.pdf 2.62 MB Shaun Ewing Jul 21, 1970 00:00
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US-3521001-A // Malicious call holding and tracing circuit // James G. Pearce ; William W. Pharis // Stromberg Carlson Corp
PDF File 3963873.pdf 2.59 MB Shaun Ewing Jun 15, 1976 00:00
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US-3963873-A // Local transfer arrangement for electronic private automatic branch exchange // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation
PDF File 3943297.pdf 2.55 MB Shaun Ewing Mar 09, 1976 00:00
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US-3943297-A // Electronic private automatic branch exchange // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation
PDF File 2715159.pdf 2.53 MB Shaun Ewing Aug 09, 1955 00:00
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US-2715159-A // Telephone system // Pharis William W. // Stromberg Carlson Co
PDF File 1992334.pdf 2.52 MB Shaun Ewing Feb 26, 1935 00:00
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US-1992334-A // Phonograph // Stockton Jack Potter // Stromberg Carlson Telephone
PDF File 2608620.pdf 2.51 MB Shaun Ewing Aug 26, 1952 00:00
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US-2608620-A // Telephone intercept system // Kessler Frank // Stromberg Carlson Co
PDF File 3963874.pdf 2.50 MB Shaun Ewing Jun 15, 1976 00:00
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US-3963874-A // Busy-test arrangement for electronic private automatic branch exchange // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation
PDF File 3927270.pdf 2.49 MB Shaun Ewing Dec 16, 1975 00:00
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US-3927270-A // Automatic number identification having four-party detection // Davis; Gordon H. ; Joehler; Klaus // Stromberg Carlson Corp
PDF File 3975596.pdf 2.43 MB Shaun Ewing Aug 17, 1976 00:00
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US-3975596-A // Trunk consultation arrangement // Pommerening; Uwe A. // Stromberg-Carlson Corporation
PDF File 991654.pdf 2.42 MB Shaun Ewing May 09, 1911 00:00
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US-991654-A // Telephone-exchange system. // Newton C. Schellenger // Stromberg Carlson Telephone
PDF File 3952165.pdf 2.42 MB Shaun Ewing Apr 20, 1976 00:00
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US-3952165-A // Tie trunk control arrangement // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation
PDF File 835047.pdf 2.41 MB Shaun Ewing Nov 06, 1906 00:00
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US-835047-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone
PDF File 1391588.pdf 2.41 MB Shaun Ewing Sept 20, 1921 00:00
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US-1391588-A // Telephone-service system // Slough Frank M. // Stromberg Carlson Telephone
PDF File 770269.pdf 2.40 MB Shaun Ewing Sept 20, 1904 00:00
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US-770269-A // Telephone-exchange system. // William M. Davis // Stromberg Carlson Telephone
PDF File 2694750.pdf 2.40 MB Shaun Ewing Nov 16, 1954 00:00
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US-2694750-A // Digit canceling system // Trousdale Robert B. // Stromberg Carlson Co
PDF File 740422.pdf 2.37 MB Shaun Ewing Oct 06, 1903 00:00
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US-740422-A // Spool-making machinery. // John S. Goldberg // Stromberg Carlson Telephone
PDF File 824767.pdf 2.35 MB Shaun Ewing Jul 03, 1906 00:00
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US-824767-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone
PDF File 1494866.pdf 2.34 MB Shaun Ewing May 20, 1924 00:00
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US-1494866-A // Interoffice telephone system // Powell Winfred T. // Stromberg Carlson Telephone
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