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 1665297.pdf | 318 kB | Shaun Ewing | Apr 10, 1928 00:00 |
|
US-1665297-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Apr 10, 1928 00:00 | US-1665297-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1666153.pdf | 909 kB | Shaun Ewing | Apr 17, 1928 00:00 |
|
US-1666153-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 909 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666153-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1666154.pdf | 480 kB | Shaun Ewing | Apr 17, 1928 00:00 |
|
US-1666154-A // Distribution of programs over wires // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666154-A // Distribution of programs over wires // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1666158.pdf | 361 kB | Shaun Ewing | Apr 17, 1928 00:00 |
|
US-1666158-A // System for binaural transmission of signals // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666158-A // System for binaural transmission of signals // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1666965.pdf | 188 kB | Shaun Ewing | Apr 24, 1928 00:00 |
|
US-1666965-A // Differential duplex telegraph repeater // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 188 kB | Shaun Ewing | Apr 24, 1928 00:00 | US-1666965-A // Differential duplex telegraph repeater // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1666988.pdf | 568 kB | Shaun Ewing | Apr 24, 1928 00:00 |
|
US-1666988-A // Trunking system // Blauvelt William G. // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | Apr 24, 1928 00:00 | US-1666988-A // Trunking system // Blauvelt William G. // American Telephone & Telegraph | ||||
| PDF File 1667753.pdf | 412 kB | Shaun Ewing | May 01, 1928 00:00 |
|
US-1667753-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 412 kB | Shaun Ewing | May 01, 1928 00:00 | US-1667753-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1667792.pdf | 549 kB | Shaun Ewing | May 01, 1928 00:00 |
|
US-1667792-A // Radio signaling system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 549 kB | Shaun Ewing | May 01, 1928 00:00 | US-1667792-A // Radio signaling system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1667824.pdf | 527 kB | Shaun Ewing | May 01, 1928 00:00 |
|
US-1667824-A // Multiple-unit cable // Richey Archie L. // American Telephone & Telegraph | |||
| Version 1 (current) | 527 kB | Shaun Ewing | May 01, 1928 00:00 | US-1667824-A // Multiple-unit cable // Richey Archie L. // American Telephone & Telegraph | ||||
| PDF File 1668637.pdf | 1.08 MB | Shaun Ewing | May 08, 1928 00:00 |
|
US-1668637-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | May 08, 1928 00:00 | US-1668637-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1668638.pdf | 1.01 MB | Shaun Ewing | May 08, 1928 00:00 |
|
US-1668638-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | May 08, 1928 00:00 | US-1668638-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1668674.pdf | 712 kB | Shaun Ewing | May 08, 1928 00:00 |
|
US-1668674-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 712 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668674-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1669123.pdf | 691 kB | Shaun Ewing | May 08, 1928 00:00 |
|
US-1669123-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 691 kB | Shaun Ewing | May 08, 1928 00:00 | US-1669123-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1669448.pdf | 494 kB | Shaun Ewing | May 15, 1928 00:00 |
|
US-1669448-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | |||
| Version 1 (current) | 494 kB | Shaun Ewing | May 15, 1928 00:00 | US-1669448-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | ||||
| PDF File 1669449.pdf | 834 kB | Shaun Ewing | May 15, 1928 00:00 |
|
US-1669449-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | |||
| Version 1 (current) | 834 kB | Shaun Ewing | May 15, 1928 00:00 | US-1669449-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | ||||
| PDF File 1669450.pdf | 793 kB | Shaun Ewing | May 15, 1928 00:00 |
|
US-1669450-A // Synchronization in multiplex signaling // Brand Smart // American Telephone & Telegraph | |||
| Version 1 (current) | 793 kB | Shaun Ewing | May 15, 1928 00:00 | US-1669450-A // Synchronization in multiplex signaling // Brand Smart // American Telephone & Telegraph | ||||
| PDF File 1670375.pdf | 329 kB | Shaun Ewing | May 22, 1928 00:00 |
|
US-1670375-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 22, 1928 00:00 | US-1670375-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1670376.pdf | 970 kB | Shaun Ewing | May 22, 1928 00:00 |
|
US-1670376-A // High-speed signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 970 kB | Shaun Ewing | May 22, 1928 00:00 | US-1670376-A // High-speed signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1671130.pdf | 725 kB | Shaun Ewing | May 29, 1928 00:00 |
|
US-1671130-A // Grid circuits of electron tubes // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 725 kB | Shaun Ewing | May 29, 1928 00:00 | US-1671130-A // Grid circuits of electron tubes // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1671143.pdf | 1.33 MB | Shaun Ewing | May 29, 1928 00:00 |
|
US-1671143-A // Wave translator // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | May 29, 1928 00:00 | US-1671143-A // Wave translator // Campbell George A. // American Telephone & Telegraph |
