Name Size Creator Creation Date Labels Comment  
PDF File 1637483.pdf 1.95 MB Shaun Ewing Aug 02, 1927 00:00
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US-1637483-A // Tension device // Grout Martin B. // Kellogg Switchboard & Supply
PDF File 1636328.pdf 835 kB Shaun Ewing Jul 19, 1927 00:00
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US-1636328-A // Condenser // Sauer Louis B. // Kellogg Switchboard & Supply
PDF File 1633915.pdf 927 kB Shaun Ewing Jun 28, 1927 00:00
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US-1633915-A // Condenser // Yanochowski George A. // Kellogg Switchboard & Supply
PDF File 1626239.pdf 166 kB Shaun Ewing Apr 26, 1927 00:00
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US-1626239-A // Receiving circuit // Kellogg Leroy D. // Kellogg Switchboard & Supply
PDF File 1625465.pdf 520 kB Shaun Ewing Apr 19, 1927 00:00
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US-1625465-A // Coil // Grout Martin B. // Kellogg Switchboard & Supply
PDF File 1623337.pdf 3.60 MB Shaun Ewing Apr 05, 1927 00:00
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US-1623337-A // Telephone-exchange system // Dunbar Francis W. // Kellogg Switchboard & Supply
PDF File 1623336.pdf 7.84 MB Shaun Ewing Apr 05, 1927 00:00
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US-1623336-A // Telephone system // Dunbar Francis W. // Kellogg Switchboard & Supply
PDF File 1621729.pdf 1.43 MB Shaun Ewing Mar 22, 1927 00:00
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US-1621729-A // Combination switch // Kaisling William // Kellogg Switchboard & Supply
PDF File 1618802.pdf 1.38 MB Shaun Ewing Feb 22, 1927 00:00
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US-1618802-A // Lighting and ignition switch // Bohlman Ernest 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 1618015.pdf 754 kB Shaun Ewing Feb 15, 1927 00:00
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US-1618015-A // Rheostat // Kaisling William // Kellogg Switchboard & Supply
PDF File 1618014.pdf 904 kB Shaun Ewing Feb 15, 1927 00:00
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US-1618014-A // Rheostat // Kaisling Frank William // Kellogg Switchboard & Supply
PDF File 1617611.pdf 2.03 MB Shaun Ewing Feb 15, 1927 00:00
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US-1617611-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply
PDF File 1612057.pdf 972 kB Shaun Ewing Dec 28, 1926 00:00
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US-1612057-A // Telephone system // Robison Daniel B. // Kellogg Switchboard & Supply
PDF File 1610281.pdf 2.15 MB Shaun Ewing Dec 14, 1926 00:00
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US-1610281-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply
PDF File 1610280.pdf 2.44 MB Shaun Ewing Dec 14, 1926 00:00
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US-1610280-A // Winding machine // Grout Martin B. // 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 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 1608525.pdf 683 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608525-A // Rheostat // Potter Earl F. // Kellogg Switchboard & Supply
PDF File 1607351.pdf 633 kB Shaun Ewing Nov 16, 1926 00:00
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US-1607351-A // Rheostat // Kaisling William // Kellogg Switchboard & Supply
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