Name Size Creator Creation Date Labels Comment  
PDF File 1674299.pdf 832 kB Shaun Ewing Jun 19, 1928 00:00
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US-1674299-A // Automatic trunking arrangement for telephone systems // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1934949.pdf 826 kB Shaun Ewing Nov 14, 1933 00:00
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US-1934949-A // Telephone system // Powell Winfred T. ; Vincent William J. // Stromberg Carlson Telephone
PDF File 1035159.pdf 823 kB Shaun Ewing Aug 13, 1912 00:00
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US-1035159-A // Telephone system. // Henry P. Clausen // Stromberg Carlson Telephone
PDF File 1462819.pdf 823 kB Shaun Ewing Jul 24, 1923 00:00
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US-1462819-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 3521036.pdf 821 kB Shaun Ewing Jul 21, 1970 00:00
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US-3521036-A // Binary coded decimal counter // William F. Bartlett ; Barrie Brightman // Stromberg Carlson Corp
PDF File 3585310.pdf 818 kB Shaun Ewing Jun 15, 1971 00:00
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US-3585310-A // Telephone switching system // Klaus Gueldenpfennig // Stromberg Carlson Corp
PDF File 1165728.pdf 817 kB Shaun Ewing Dec 28, 1915 00:00
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US-1165728-A // Telephone trunking system. // John A. Taggart // Stromberg Carlson Telephone
PDF File 3250863.pdf 814 kB Shaun Ewing May 10, 1966 00:00
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US-3250863-A // Test access circuit // Pearce James G. // Stromberg Carlson Corp
PDF File 848283.pdf 812 kB Shaun Ewing Mar 26, 1907 00:00
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US-848283-A // Switching device. // Jules A. Birdsfield // Stromberg Carlson Telephone
PDF File 3676602.pdf 810 kB Shaun Ewing Jul 11, 1972 00:00
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US-3676602-A // Telephone set identification system // Norman E. Goetchius ; Amin Y. Zaky // Stromberg Carlson Corp
PDF File 1750806.pdf 808 kB Shaun Ewing Mar 18, 1930 00:00
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US-1750806-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone
PDF File 2514344.pdf 806 kB Shaun Ewing Jul 04, 1950 00:00
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US-2514344-A // Adjustable acoustic impedance // Slaymaker Frank H. ; Meeker Willard F. // Stromberg Carlson Co
PDF File 1035157.pdf 805 kB Shaun Ewing Aug 13, 1912 00:00
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US-1035157-A // Telephone system. // Henry P. Clausen // Stromberg Carlson Telephone
PDF File 3676601.pdf 801 kB Shaun Ewing Jul 11, 1972 00:00
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US-3676601-A // Pulsing circuit including a switching and current regulator circuit // William E. Shaffer // Stromberg Carlson Corp
PDF File 1247831.pdf 800 kB Shaun Ewing Nov 27, 1917 00:00
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US-1247831-A // Telephone system. // Harvey L. Harris // Stromberg Carlson Telephone
PDF File 3883696.pdf 800 kB Shaun Ewing May 13, 1975 00:00
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US-3883696-A // Solid state crosspoint switch // Richards; Glenn L. // Stromberg Carlson Corp
PDF File 782376.pdf 799 kB Shaun Ewing Feb 14, 1905 00:00
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US-782376-A // Four-party-line telephone system. // Garrison Babcock // Stromberg Carlson Telephone
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 737715.pdf 797 kB Shaun Ewing Sept 01, 1903 00:00
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US-737715-A // Telephone-exchange system. // William M. Davis // Stromberg Carlson Telephone
PDF File 2403716.pdf 796 kB Shaun Ewing Jul 09, 1946 00:00
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US-2403716-A // Combined amplifier and power supply circuit // Goldberg Harold ; Thompson Walter C. // Stromberg Carlson Co
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