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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1557992.pdf | 6.92 MB | Shaun Ewing | Oct 20, 1925 00:00 |
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US-1557992-A // Telephone system // Dyson Alfred H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 6.92 MB | Shaun Ewing | Oct 20, 1925 00:00 | US-1557992-A // Telephone system // Dyson Alfred H. // Kellogg Switchboard & Supply | ||||
| PDF File 1557993.pdf | 6.80 MB | Shaun Ewing | Oct 20, 1925 00:00 |
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US-1557993-A // Automatic telephone-exchange system // Dyson Alfred H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 6.80 MB | Shaun Ewing | Oct 20, 1925 00:00 | US-1557993-A // Automatic telephone-exchange system // Dyson Alfred H. // Kellogg Switchboard & Supply | ||||
| PDF File 1559137.pdf | 3.60 MB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559137-A // Telephone-exchange system // Webster Harry G. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.60 MB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559137-A // Telephone-exchange system // Webster Harry G. // Kellogg Switchboard & Supply | ||||
| PDF File 1559138.pdf | 4.18 MB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559138-A // Automatic telephone system // Webster Harry G. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 4.18 MB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559138-A // Automatic telephone system // Webster Harry G. // Kellogg Switchboard & Supply | ||||
| PDF File 1560245.pdf | 960 kB | Shaun Ewing | Nov 03, 1925 00:00 |
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US-1560245-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 960 kB | Shaun Ewing | Nov 03, 1925 00:00 | US-1560245-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | ||||
| PDF File 1560284.pdf | 1.11 MB | Shaun Ewing | Nov 03, 1925 00:00 |
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US-1560284-A // Pole-changer switching circuit // Meyers John F. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Nov 03, 1925 00:00 | US-1560284-A // Pole-changer switching circuit // Meyers John F. // Kellogg Switchboard & Supply | ||||
| PDF File 1561598.pdf | 1.30 MB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561598-A // Telephone system // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561598-A // Telephone system // Eaton George R. // Kellogg Switchboard & Supply | ||||
| 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 | |||
| Version 1 (current) | 708 kB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562646-A // Rectifier relay // Kaisling William // Kellogg Switchboard & Supply | ||||
| PDF File 1562647.pdf | 608 kB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562647-A // Contact-bank structure // Kaisling William // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562647-A // Contact-bank structure // Kaisling William // Kellogg Switchboard & Supply | ||||
| PDF File 1563347.pdf | 6.79 MB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563347-A // Automatic telephone system // Dyson Alfred H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 6.79 MB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563347-A // Automatic telephone system // Dyson Alfred H. // Kellogg Switchboard & Supply | ||||
| PDF File 1563411.pdf | 1.07 MB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563411-A // Ignition and lighting switch // Weiss Alfred H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563411-A // Ignition and lighting switch // Weiss Alfred H. // Kellogg Switchboard & Supply | ||||
| PDF File 1564478.pdf | 1.83 MB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564478-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.83 MB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564478-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1564479.pdf | 2.19 MB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564479-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.19 MB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564479-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1564480.pdf | 2.59 MB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564480-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.59 MB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564480-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1567105.pdf | 316 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567105-A // Head receiver set // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567105-A // Head receiver set // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| PDF File 1567136.pdf | 969 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567136-A // Pressure-control system // Grigoleit Henry J. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 969 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567136-A // Pressure-control system // Grigoleit Henry J. // Kellogg Switchboard & Supply | ||||
| PDF File 1568164.pdf | 479 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568164-A // Service meter // Kaisling William // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568164-A // Service meter // Kaisling William // Kellogg Switchboard & Supply | ||||
| PDF File 1569450.pdf | 996 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1569450-A // Automatic switch // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 996 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1569450-A // Automatic switch // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| PDF File 1576814.pdf | 8.14 MB | Shaun Ewing | Mar 16, 1926 00:00 |
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US-1576814-A // Automatic telephone system // Dunbar Francis W. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 8.14 MB | Shaun Ewing | Mar 16, 1926 00:00 | US-1576814-A // Automatic telephone system // Dunbar Francis W. // Kellogg Switchboard & Supply | ||||
| PDF File 1577031.pdf | 383 kB | Shaun Ewing | Mar 16, 1926 00:00 |
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US-1577031-A // Relay // Kaisling William // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Mar 16, 1926 00:00 | US-1577031-A // Relay // Kaisling William // Kellogg Switchboard & Supply |
