Name Size Creator Creation Date Labels Comment  
PDF File 976184.pdf 709 kB Shaun Ewing Nov 22, 1910 00:00
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US-976184-A // Service-meter system. // Guy A. Joy // Kellogg Switchboard & Supply
PDF File 592401.pdf 708 kB Shaun Ewing Oct 26, 1897 00:00
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US-592401-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 1562646.pdf 708 kB Shaun Ewing Nov 24, 1925 00:00
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US-1562646-A // Rectifier relay // Kaisling William // Kellogg Switchboard & Supply
PDF File 2571649.pdf 705 kB Shaun Ewing Oct 16, 1951 00:00
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US-2571649-A // Telephone finger wheel support // Arthur Richard P. // Kellogg Switchboard & Supply
PDF File 592404.pdf 705 kB Shaun Ewing Oct 26, 1897 00:00
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US-592404-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 733468.pdf 703 kB Shaun Ewing Jul 14, 1903 00:00
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US-733468-A // Annunciator. // Francis W. Dunbar // Kellogg Switchboard & Supply
PDF File 1813232.pdf 700 kB Shaun Ewing Jul 07, 1931 00:00
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US-1813232-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply
PDF File 1000902.pdf 700 kB Shaun Ewing Aug 15, 1911 00:00
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US-1000902-A // Calling device for electrical exchange systems. // Alfred H. Dyson // Kellogg Switchboard & Supply
PDF File 874147.pdf 699 kB Shaun Ewing Dec 17, 1907 00:00
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US-874147-A // Three-wire multiple system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 1608526.pdf 699 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608526-A // Condenser // Potter Earl F. // Kellogg Switchboard & Supply
PDF File 1378869.pdf 698 kB Shaun Ewing May 24, 1921 00:00
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US-1378869-A // Circuit-breaker relay // Kaisling William // Kellogg Switchboard & Supply
PDF File 1012780.pdf 698 kB Shaun Ewing Dec 26, 1911 00:00
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US-1012780-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 1009190.pdf 697 kB Shaun Ewing Nov 21, 1911 00:00
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US-1009190-A // Telephone trunking system. // Charles A. Simpson // Kellogg Switchboard & Supply
PDF File 592303.pdf 696 kB Shaun Ewing Oct 26, 1897 00:00
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US-592303-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 1682049.pdf 696 kB Shaun Ewing Aug 28, 1928 00:00
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US-1682049-A // Alarm circuit // Meyers John F. // Kellogg Switchboard & Supply
PDF File 883093.pdf 695 kB Shaun Ewing Mar 24, 1908 00:00
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US-883093-A // Divided-central telephone system. // William W. Dean // Kellogg Switchboard & Supply
PDF File 1045925.pdf 694 kB Shaun Ewing Dec 03, 1912 00:00
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US-1045925-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 1608753.pdf 694 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608753-A // Contact switch // Kaisling William // Kellogg Switchboard & Supply
PDF File 1508798.pdf 694 kB Shaun Ewing Sept 16, 1924 00:00
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US-1508798-A // Key // Klay Albert // Kellogg Switchboard & Supply
PDF File 2529265.pdf 693 kB Shaun Ewing Nov 07, 1950 00:00
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US-2529265-A // Device for indexing contact springs in contact-welding apparatus // Rose Morris ; Zak Jerry John // Kellogg Switchboard & Supply
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