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 636872.pdf | 1.11 MB | Shaun Ewing | Nov 14, 1899 00:00 |
|
US-636872-A // Telephone trunk-line signaling. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Nov 14, 1899 00:00 | US-636872-A // Telephone trunk-line signaling. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 633403.pdf | 946 kB | Shaun Ewing | Sept 19, 1899 00:00 |
|
US-633403-A // Telephone-exchange switchboard signaling apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 946 kB | Shaun Ewing | Sept 19, 1899 00:00 | US-633403-A // Telephone-exchange switchboard signaling apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 632296.pdf | 1.18 MB | Shaun Ewing | Sept 05, 1899 00:00 |
|
US-632296-A // Telephone switchboard and circuits. // Thomas C. Wales, Jr. ; Karl W. Waterson // American Bell Telephone Co | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Sept 05, 1899 00:00 | US-632296-A // Telephone switchboard and circuits. // Thomas C. Wales, Jr. ; Karl W. Waterson // American Bell Telephone Co | ||||
| PDF File 630841.pdf | 317 kB | Shaun Ewing | Aug 15, 1899 00:00 |
|
US-630841-A // Combined telegraph and telephone. // Robert M. Bailey // American Bell Telephone Co | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Aug 15, 1899 00:00 | US-630841-A // Combined telegraph and telephone. // Robert M. Bailey // American Bell Telephone Co | ||||
| PDF File 628567.pdf | 759 kB | Shaun Ewing | Jul 11, 1899 00:00 |
|
US-628567-A // Telephone switch apparatus, signal, and circuit. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 759 kB | Shaun Ewing | Jul 11, 1899 00:00 | US-628567-A // Telephone switch apparatus, signal, and circuit. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 628046.pdf | 423 kB | Shaun Ewing | Jul 04, 1899 00:00 |
|
US-628046-A // Repeating and transmitting telephone. // George K. Thompson // American Bell Telephone Co | |||
| Version 1 (current) | 423 kB | Shaun Ewing | Jul 04, 1899 00:00 | US-628046-A // Repeating and transmitting telephone. // George K. Thompson // American Bell Telephone Co | ||||
| PDF File 627814.pdf | 1.00 MB | Shaun Ewing | Jun 27, 1899 00:00 |
|
US-627814-A // Telephone-exchange switch apparatus and circuits. // Chester H. Arnold // American Bell Telephone Co | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Jun 27, 1899 00:00 | US-627814-A // Telephone-exchange switch apparatus and circuits. // Chester H. Arnold // American Bell Telephone Co | ||||
| PDF File 627813.pdf | 801 kB | Shaun Ewing | Jun 27, 1899 00:00 |
|
US-627813-A // Telephone-circuit and switching apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 801 kB | Shaun Ewing | Jun 27, 1899 00:00 | US-627813-A // Telephone-circuit and switching apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 626826.pdf | 754 kB | Shaun Ewing | Jun 13, 1899 00:00 |
|
US-626826-A // Telephone-circuit. // Percival G. Burgess, Of Mexico And Henry W. Wilder Of Springfield Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts.,______ | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jun 13, 1899 00:00 | US-626826-A // Telephone-circuit. // Percival G. Burgess, Of Mexico And Henry W. Wilder Of Springfield Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts.,______ | ||||
| PDF File 626146.pdf | 629 kB | Shaun Ewing | May 30, 1899 00:00 |
|
US-626146-A // Telephone Toll-circuit. // Henry M. Crane, Of And Thomas C. Wales Jr. Of Newton Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 629 kB | Shaun Ewing | May 30, 1899 00:00 | US-626146-A // Telephone Toll-circuit. // Henry M. Crane, Of And Thomas C. Wales Jr. Of Newton Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 626111.pdf | 886 kB | Shaun Ewing | May 30, 1899 00:00 |
|
US-626111-A // Telephone Connecting-circuit. // George K. Thompson, Of And Thomas C. Wales Jr. Of Newton Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 886 kB | Shaun Ewing | May 30, 1899 00:00 | US-626111-A // Telephone Connecting-circuit. // George K. Thompson, Of And Thomas C. Wales Jr. Of Newton Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 623583.pdf | 567 kB | Shaun Ewing | Apr 25, 1899 00:00 |
|
US-623583-A // Telephonic Trunk-circuit. // Thomas C. Wales, Jr. Of Newton And Henry Middlebrook Crane Of Boston Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 567 kB | Shaun Ewing | Apr 25, 1899 00:00 | US-623583-A // Telephonic Trunk-circuit. // Thomas C. Wales, Jr. Of Newton And Henry Middlebrook Crane Of Boston Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 623579.pdf | 368 kB | Shaun Ewing | Apr 25, 1899 00:00 |
|
US-623579-A // Differential Electromagnet. // John Stone Stone, Of Massachusetts // The American Bell Telephone Company, Op Same Place. | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Apr 25, 1899 00:00 | US-623579-A // Differential Electromagnet. // John Stone Stone, Of Massachusetts // The American Bell Telephone Company, Op Same Place. | ||||
| PDF File 623437.pdf | 628 kB | Shaun Ewing | Apr 18, 1899 00:00 |
|
US-623437-A // Telephone-switchboard Circuit. // Edwin Ii. Smytiie, Of Illinois // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Apr 18, 1899 00:00 | US-623437-A // Telephone-switchboard Circuit. // Edwin Ii. Smytiie, Of Illinois // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 620745.pdf | 812 kB | Shaun Ewing | Mar 07, 1899 00:00 |
|
US-620745-A // To All Ivliom It Inny Concern: // Henry Middle Brook Crane, Of Massachusetts // The American Bell Telephone Company, Of Same Place. | |||
| Version 1 (current) | 812 kB | Shaun Ewing | Mar 07, 1899 00:00 | US-620745-A // To All Ivliom It Inny Concern: // Henry Middle Brook Crane, Of Massachusetts // The American Bell Telephone Company, Of Same Place. | ||||
| PDF File 620004.pdf | 594 kB | Shaun Ewing | Feb 21, 1899 00:00 |
|
US-620004-A // Telephone-switchboard Circuit. // Thomas C. Wales, Jr. Of Newton Massachusetts // The American Bell Telephone Company, Op Boston, Massachusetts. | |||
| Version 1 (current) | 594 kB | Shaun Ewing | Feb 21, 1899 00:00 | US-620004-A // Telephone-switchboard Circuit. // Thomas C. Wales, Jr. Of Newton Massachusetts // The American Bell Telephone Company, Op Boston, Massachusetts. | ||||
| PDF File 620002.pdf | 469 kB | Shaun Ewing | Feb 21, 1899 00:00 |
|
US-620002-A // Switchboard-connecting Cord-circuit. // George K. Thompson, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Feb 21, 1899 00:00 | US-620002-A // Switchboard-connecting Cord-circuit. // George K. Thompson, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 619240.pdf | 455 kB | Shaun Ewing | Feb 07, 1899 00:00 |
|
US-619240-A // Toll Counter or Register for Telephonic Circuits. // Geoege K. Thompson, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Feb 07, 1899 00:00 | US-619240-A // Toll Counter or Register for Telephonic Circuits. // Geoege K. Thompson, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts. | ||||
| PDF File 617145.pdf | 723 kB | Shaun Ewing | Jan 03, 1899 00:00 |
|
US-617145-A // Telephone-exchange Switch and Signal Apparatus. // William W. Dean, Op Massachusetts // The American Bell Telephone Company, Of Same Place. | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Jan 03, 1899 00:00 | US-617145-A // Telephone-exchange Switch and Signal Apparatus. // William W. Dean, Op Massachusetts // The American Bell Telephone Company, Of Same Place. | ||||
| PDF File 609374.pdf | 287 kB | Shaun Ewing | Aug 16, 1898 00:00 |
|
US-609374-A // Telephone Repeater or Relay, // John Stone Stone, Of Massachusetts // The American Bell Telephone Company, Of Same Place. | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Aug 16, 1898 00:00 | US-609374-A // Telephone Repeater or Relay, // John Stone Stone, Of Massachusetts // The American Bell Telephone Company, Of Same Place. |
