Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1214982.pdf | 1.79 MB | Shaun Ewing | Feb 06, 1917 00:00 |
|
US-1214982-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Feb 06, 1917 00:00 | US-1214982-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1214492.pdf | 1.90 MB | Shaun Ewing | Jan 30, 1917 00:00 |
|
US-1214492-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.90 MB | Shaun Ewing | Jan 30, 1917 00:00 | US-1214492-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1211689.pdf | 2.23 MB | Shaun Ewing | Jan 09, 1917 00:00 |
|
US-1211689-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.23 MB | Shaun Ewing | Jan 09, 1917 00:00 | US-1211689-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1211688.pdf | 5.54 MB | Shaun Ewing | Jan 09, 1917 00:00 |
|
US-1211688-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 5.54 MB | Shaun Ewing | Jan 09, 1917 00:00 | US-1211688-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1210917.pdf | 1.04 MB | Shaun Ewing | Jan 02, 1917 00:00 |
|
US-1210917-A // Calling device. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Jan 02, 1917 00:00 | US-1210917-A // Calling device. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1210386.pdf | 2.24 MB | Shaun Ewing | Dec 26, 1916 00:00 |
|
US-1210386-A // Automatic telephone system. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Dec 26, 1916 00:00 | US-1210386-A // Automatic telephone system. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1209689.pdf | 1.32 MB | Shaun Ewing | Dec 26, 1916 00:00 |
|
US-1209689-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Dec 26, 1916 00:00 | US-1209689-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1209266.pdf | 325 kB | Shaun Ewing | Dec 19, 1916 00:00 |
|
US-1209266-A // Repeating coil. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Dec 19, 1916 00:00 | US-1209266-A // Repeating coil. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1208718.pdf | 2.34 MB | Shaun Ewing | Dec 12, 1916 00:00 |
|
US-1208718-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.34 MB | Shaun Ewing | Dec 12, 1916 00:00 | US-1208718-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1205943.pdf | 3.07 MB | Shaun Ewing | Nov 21, 1916 00:00 |
|
US-1205943-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.07 MB | Shaun Ewing | Nov 21, 1916 00:00 | US-1205943-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1203950.pdf | 893 kB | Shaun Ewing | Nov 07, 1916 00:00 |
|
US-1203950-A // Toll-trunk circuit. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Nov 07, 1916 00:00 | US-1203950-A // Toll-trunk circuit. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1203239.pdf | 1.82 MB | Shaun Ewing | Oct 31, 1916 00:00 |
|
US-1203239-A // Pay-station for telephone systems. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.82 MB | Shaun Ewing | Oct 31, 1916 00:00 | US-1203239-A // Pay-station for telephone systems. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1202367.pdf | 815 kB | Shaun Ewing | Oct 24, 1916 00:00 |
|
US-1202367-A // Reverting busy-test for telephone systems. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 815 kB | Shaun Ewing | Oct 24, 1916 00:00 | US-1202367-A // Reverting busy-test for telephone systems. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1201516.pdf | 577 kB | Shaun Ewing | Oct 17, 1916 00:00 |
|
US-1201516-A // Lamp-jack. // Charles H. Smith // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 17, 1916 00:00 | US-1201516-A // Lamp-jack. // Charles H. Smith // Kellogg Switchboard & Supply | ||||
| PDF File 1200847.pdf | 309 kB | Shaun Ewing | Oct 10, 1916 00:00 |
|
US-1200847-A // Stop-lever contact device. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 309 kB | Shaun Ewing | Oct 10, 1916 00:00 | US-1200847-A // Stop-lever contact device. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1200841.pdf | 772 kB | Shaun Ewing | Oct 10, 1916 00:00 |
|
US-1200841-A // Alarm-signal system for telephone-exchanges. // Harry H. Ide // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Oct 10, 1916 00:00 | US-1200841-A // Alarm-signal system for telephone-exchanges. // Harry H. Ide // Kellogg Switchboard & Supply | ||||
| PDF File 1200319.pdf | 320 kB | Shaun Ewing | Oct 03, 1916 00:00 |
|
US-1200319-A // Switchboard-cord. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Oct 03, 1916 00:00 | US-1200319-A // Switchboard-cord. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1200277.pdf | 577 kB | Shaun Ewing | Oct 03, 1916 00:00 |
|
US-1200277-A // Automatic-switching for operator's telephone. // Richard I. Utter // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 03, 1916 00:00 | US-1200277-A // Automatic-switching for operator's telephone. // Richard I. Utter // Kellogg Switchboard & Supply | ||||
| PDF File 1197990.pdf | 2.03 MB | Shaun Ewing | Sept 12, 1916 00:00 |
|
US-1197990-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.03 MB | Shaun Ewing | Sept 12, 1916 00:00 | US-1197990-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1197989.pdf | 2.88 MB | Shaun Ewing | Sept 12, 1916 00:00 |
|
US-1197989-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.88 MB | Shaun Ewing | Sept 12, 1916 00:00 | US-1197989-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply |
