Name Size Creator Creation Date Labels Comment  
PDF File 910873.pdf 499 kB Shaun Ewing Jan 26, 1909 00:00
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US-910873-A // Telephone ringing system for party-lines. // Charles A. Simpson // Kellogg Switchboard & Supply
PDF File 911188.pdf 508 kB Shaun Ewing Feb 02, 1909 00:00
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US-911188-A // Telephone trunking system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 911231.pdf 745 kB Shaun Ewing Feb 02, 1909 00:00
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US-911231-A // Telephone-testing system. // Harry C. Goldrick // Kellogg Switchboard & Supply
PDF File 911338.pdf 396 kB Shaun Ewing Feb 02, 1909 00:00
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US-911338-A // Connecting-jack for telephone-switchboards. // Charles H. Smith // Kellogg Switchboard & Supply
PDF File 911339.pdf 683 kB Shaun Ewing Feb 02, 1909 00:00
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US-911339-A // Party-line indicating-key. // Charles H. Smith // Kellogg Switchboard & Supply
PDF File 911377.pdf 498 kB Shaun Ewing Feb 02, 1909 00:00
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US-911377-A // Party-line indicating-key. // Guy M. Campbell // Kellogg Switchboard & Supply
PDF File 912397.pdf 549 kB Shaun Ewing Feb 16, 1909 00:00
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US-912397-A // Check-controlled device. // Kempster B. Miller // Kellogg Switchboard & Supply
PDF File 912822.pdf 523 kB Shaun Ewing Feb 16, 1909 00:00
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US-912822-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply
PDF File 913795.pdf 593 kB Shaun Ewing Mar 02, 1909 00:00
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US-913795-A // Testing system for telephone-lines. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 914045.pdf 259 kB Shaun Ewing Mar 02, 1909 00:00
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US-914045-A // Cord connector and rack. // William E. Hill // Kellogg Switchboard & Supply
PDF File 915077.pdf 1.26 MB Shaun Ewing Mar 16, 1909 00:00
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US-915077-A // Desk-stand. // William W. Dean // Kellogg Switchboard & Supply
PDF File 916117.pdf 683 kB Shaun Ewing Mar 23, 1909 00:00
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US-916117-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply
PDF File 916235.pdf 545 kB Shaun Ewing Mar 23, 1909 00:00
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US-916235-A // Subscriber's-telephone instrument. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 917017.pdf 638 kB Shaun Ewing Apr 06, 1909 00:00
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US-917017-A // Magnetic device for telephone systems. // William W. Dean // Kellogg Switchboard & Supply
PDF File 929708.pdf 739 kB Shaun Ewing Aug 03, 1909 00:00
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US-929708-A // Service-meter system. // William Reid // Kellogg Switchboard & Supply
PDF File 933149.pdf 828 kB Shaun Ewing Sept 07, 1909 00:00
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US-933149-A // Telephone trunking system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 933150.pdf 647 kB Shaun Ewing Sept 07, 1909 00:00
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US-933150-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 934865.pdf 287 kB Shaun Ewing Sept 21, 1909 00:00
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US-934865-A // Microphone desk-stand. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 936373.pdf 460 kB Shaun Ewing Oct 12, 1909 00:00
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US-936373-A // Selective ringing-key. // Charles A. Simpson // Kellogg Switchboard & Supply
PDF File 936374.pdf 712 kB Shaun Ewing Oct 12, 1909 00:00
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US-936374-A // Telephone trunking system. // Charles A. Simpson // Kellogg Switchboard & Supply
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