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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1251967.pdf | 498 kB | Shaun Ewing | Jan 01, 1918 00:00 |
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US-1251967-A // Call-answering meter for cord-circuits. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Jan 01, 1918 00:00 | US-1251967-A // Call-answering meter for cord-circuits. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1255374.pdf | 1.03 MB | Shaun Ewing | Feb 05, 1918 00:00 |
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US-1255374-A // Telephone system with universal cord-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Feb 05, 1918 00:00 | US-1255374-A // Telephone system with universal cord-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1257163.pdf | 1012 kB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1257163-A // Electrical battery-charging system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1012 kB | Shaun Ewing | Feb 19, 1918 00:00 | US-1257163-A // Electrical battery-charging system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1257283.pdf | 7.53 MB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1257283-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 7.53 MB | Shaun Ewing | Feb 19, 1918 00:00 | US-1257283-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1257287.pdf | 483 kB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1257287-A // Switch device. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 483 kB | Shaun Ewing | Feb 19, 1918 00:00 | US-1257287-A // Switch device. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1258686.pdf | 943 kB | Shaun Ewing | Mar 12, 1918 00:00 |
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US-1258686-A // Calling device. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Mar 12, 1918 00:00 | US-1258686-A // Calling device. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1259496.pdf | 2.64 MB | Shaun Ewing | Mar 19, 1918 00:00 |
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US-1259496-A // Telephone-call-distributing system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.64 MB | Shaun Ewing | Mar 19, 1918 00:00 | US-1259496-A // Telephone-call-distributing system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1259967.pdf | 5.67 MB | Shaun Ewing | Mar 19, 1918 00:00 |
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US-1259967-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 5.67 MB | Shaun Ewing | Mar 19, 1918 00:00 | US-1259967-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1260971.pdf | 3.24 MB | Shaun Ewing | Mar 26, 1918 00:00 |
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US-1260971-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | Mar 26, 1918 00:00 | US-1260971-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1261492.pdf | 1.49 MB | Shaun Ewing | Apr 02, 1918 00:00 |
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US-1261492-A // Telephone system. // Hiram D. Currier ; Richard I. Utter ; Michael B. Stazak // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Apr 02, 1918 00:00 | US-1261492-A // Telephone system. // Hiram D. Currier ; Richard I. Utter ; Michael B. Stazak // Kellogg Switchboard & Supply | ||||
| PDF File 1266158.pdf | 217 kB | Shaun Ewing | May 14, 1918 00:00 |
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US-1266158-A // Railway-train-despatching circuit. // William Reid // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 217 kB | Shaun Ewing | May 14, 1918 00:00 | US-1266158-A // Railway-train-despatching circuit. // William Reid // Kellogg Switchboard & Supply | ||||
| PDF File 1267418.pdf | 495 kB | Shaun Ewing | May 28, 1918 00:00 |
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US-1267418-A // Signaling-horn. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 495 kB | Shaun Ewing | May 28, 1918 00:00 | US-1267418-A // Signaling-horn. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1269005.pdf | 328 kB | Shaun Ewing | Jun 11, 1918 00:00 |
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US-1269005-A // Relay-buzzer. // Fred Schoenwolf // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Jun 11, 1918 00:00 | US-1269005-A // Relay-buzzer. // Fred Schoenwolf // Kellogg Switchboard & Supply | ||||
| PDF File 1269499.pdf | 474 kB | Shaun Ewing | Jun 11, 1918 00:00 |
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US-1269499-A // Supervisory control-circuits for telephone systems. // Samuel Paterson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Jun 11, 1918 00:00 | US-1269499-A // Supervisory control-circuits for telephone systems. // Samuel Paterson // Kellogg Switchboard & Supply | ||||
| PDF File 1270127.pdf | 4.97 MB | Shaun Ewing | Jun 18, 1918 00:00 |
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US-1270127-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 4.97 MB | Shaun Ewing | Jun 18, 1918 00:00 | US-1270127-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1270128.pdf | 1.51 MB | Shaun Ewing | Jun 18, 1918 00:00 |
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US-1270128-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jun 18, 1918 00:00 | US-1270128-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1271378.pdf | 993 kB | Shaun Ewing | Jul 02, 1918 00:00 |
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US-1271378-A // Non-interfering key. // Charles H. Smith // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 993 kB | Shaun Ewing | Jul 02, 1918 00:00 | US-1271378-A // Non-interfering key. // Charles H. Smith // Kellogg Switchboard & Supply | ||||
| PDF File 1273189.pdf | 913 kB | Shaun Ewing | Jul 23, 1918 00:00 |
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US-1273189-A // Telphone system with automatic ringing disconnect. // Fred Schoenwolf // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 913 kB | Shaun Ewing | Jul 23, 1918 00:00 | US-1273189-A // Telphone system with automatic ringing disconnect. // Fred Schoenwolf // Kellogg Switchboard & Supply | ||||
| PDF File 1275766.pdf | 485 kB | Shaun Ewing | Aug 13, 1918 00:00 |
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US-1275766-A // Combined electromagnetically and manually operable organ stop-key. // Fred Schoenwolf // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Aug 13, 1918 00:00 | US-1275766-A // Combined electromagnetically and manually operable organ stop-key. // Fred Schoenwolf // Kellogg Switchboard & Supply | ||||
| PDF File 1276037.pdf | 886 kB | Shaun Ewing | Aug 20, 1918 00:00 |
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US-1276037-A // Automatic ringing system. // Hiram D. Currier ; Michael B. Stazak // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Aug 20, 1918 00:00 | US-1276037-A // Automatic ringing system. // Hiram D. Currier ; Michael B. Stazak // Kellogg Switchboard & Supply |
