Name Size Creator Creation Date Labels Comment  
PDF File 1782411.pdf 676 kB Shaun Ewing Nov 25, 1930 00:00
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US-1782411-A // Socket // Currier Hiram D. // Kellogg Switchboard & Supply
PDF File 1748104.pdf 675 kB Shaun Ewing Feb 25, 1930 00:00
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US-1748104-A // Condenser // Bohlman Ernest A. // Kellogg Switchboard & Supply
PDF File 2640183.pdf 674 kB Shaun Ewing May 26, 1953 00:00
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US-2640183-A // Multipoint plug and jack // Arthur Richard P. // Kellogg Switchboard & Supply
PDF File 897723.pdf 673 kB Shaun Ewing Sept 01, 1908 00:00
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US-897723-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply
PDF File 747331.pdf 672 kB Shaun Ewing Dec 15, 1903 00:00
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US-747331-A // Subscriber's telephone-circuit. // William W. Dean // Kellogg Switchboard & Supply
PDF File 1067527.pdf 671 kB Shaun Ewing Jul 15, 1913 00:00
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US-1067527-A // Signaling system. // Charles A. Larson // Kellogg Switchboard & Supply
PDF File 592389.pdf 669 kB Shaun Ewing Oct 26, 1897 00:00
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US-592389-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 836514.pdf 668 kB Shaun Ewing Nov 20, 1906 00:00
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US-836514-A // Telephone cord-circuit. // Albion D. T. Libby // Kellogg Switchboard & Supply
PDF File 1243772.pdf 665 kB Shaun Ewing Oct 23, 1917 00:00
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US-1243772-A // Signaling-horn. // Charles H. Smith // Kellogg Switchboard & Supply
PDF File 592355.pdf 663 kB Shaun Ewing Oct 26, 1897 00:00
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US-592355-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 1306804.pdf 663 kB Shaun Ewing Jun 17, 1919 00:00
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US-1306804-A // Hibam d // Hibam D. Currier, Of Illinois // Kellogg Switchboard Supply Company, Of Chicago, Illinois, A Corporation Of Illinois.
PDF File 2316730.pdf 662 kB Shaun Ewing Apr 13, 1943 00:00
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US-2316730-A // Pole changer control circuit // Wallace Bert A. // Kellogg Switchboard & Supply
PDF File 1618801.pdf 661 kB Shaun Ewing Feb 22, 1927 00:00
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US-1618801-A // Rheostat // Bohlman Ernest A. // Kellogg Switchboard & Supply
PDF File 842178.pdf 660 kB Shaun Ewing Jan 29, 1907 00:00
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US-842178-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply
PDF File 1548300.pdf 659 kB Shaun Ewing Aug 04, 1925 00:00
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US-1548300-A // Testing device // Anglemyer Wilbur J. // Kellogg Switchboard & Supply
PDF File 592407.pdf 659 kB Shaun Ewing Oct 26, 1897 00:00
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US-592407-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 592366.pdf 659 kB Shaun Ewing Oct 26, 1897 00:00
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US-592366-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 965973.pdf 659 kB Shaun Ewing Aug 02, 1910 00:00
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US-965973-A // Telephone trunk-circuit. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 2322864.pdf 658 kB Shaun Ewing Jun 29, 1943 00:00
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US-2322864-A // Trouble cutoff system // Mccarthy Fred M. // Kellogg Switchboard & Supply
PDF File 1017085.pdf 657 kB Shaun Ewing Feb 13, 1912 00:00
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US-1017085-A // Telephone system. // Fred M. Davis // Kellogg Switchboard & Supply
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