Name Size Creator Creation Date Labels Comment  
PDF File 975608.pdf 1.12 MB Shaun Ewing Nov 15, 1910 00:00
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US-975608-A // Switch for automatic telephone systems. // Alfred H. Dyson // Kellogg Switchboard & Supply
PDF File 975530.pdf 1.77 MB Shaun Ewing Nov 15, 1910 00:00
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US-975530-A // Switch. // William Kaisling // Kellogg Switchboard & Supply
PDF File 975529.pdf 1.08 MB Shaun Ewing Nov 15, 1910 00:00
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US-975529-A // Switch. // William Kaisling // Kellogg Switchboard & Supply
PDF File 975504.pdf 730 kB Shaun Ewing Nov 15, 1910 00:00
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US-975504-A // Telephone system. // Clifford C. Bradbury // Kellogg Switchboard & Supply
PDF File 975338.pdf 1.81 MB Shaun Ewing Nov 08, 1910 00:00
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US-975338-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply
PDF File 974955.pdf 2.68 MB Shaun Ewing Nov 08, 1910 00:00
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US-974955-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply
PDF File 974866.pdf 2.30 MB Shaun Ewing Nov 08, 1910 00:00
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US-974866-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply
PDF File 972962.pdf 814 kB Shaun Ewing Oct 18, 1910 00:00
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US-972962-A // Service-meter system. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 971651.pdf 733 kB Shaun Ewing Oct 04, 1910 00:00
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US-971651-A // Telephone trunking system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 971650.pdf 788 kB Shaun Ewing Oct 04, 1910 00:00
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US-971650-A // Four-party-line ringing-key. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 971352.pdf 709 kB Shaun Ewing Sept 27, 1910 00:00
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US-971352-A // Party-line-indicating system. // Clifford C. Bradbury // Kellogg Switchboard & Supply
PDF File 969818.pdf 383 kB Shaun Ewing Sept 13, 1910 00:00
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US-969818-A // Telephone-drop. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 967692.pdf 801 kB Shaun Ewing Aug 16, 1910 00:00
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US-967692-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply
PDF File 967476.pdf 602 kB Shaun Ewing Aug 16, 1910 00:00
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US-967476-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 967475.pdf 601 kB Shaun Ewing Aug 16, 1910 00:00
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US-967475-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply
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 963192.pdf 1.29 MB Shaun Ewing Jul 05, 1910 00:00
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US-963192-A // Combined telephone and control system. // Harry G. Webster // Kellogg Switchboard & Supply
PDF File 960176.pdf 1.56 MB Shaun Ewing May 31, 1910 00:00
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US-960176-A // Automatic distributing system. // Leroy D. Kellogg // Kellogg Switchboard & Supply
PDF File 959944.pdf 294 kB Shaun Ewing May 31, 1910 00:00
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US-959944-A // Switch-movement. // William Kaisling // Kellogg Switchboard & Supply
PDF File 959485.pdf 2.07 MB Shaun Ewing May 31, 1910 00:00
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US-959485-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply
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