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 1415098.pdf | 305 kB | Shaun Ewing | May 09, 1922 00:00 |
|
US-1415098-A // Heater for soldering coppers // Klein Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 305 kB | Shaun Ewing | May 09, 1922 00:00 | US-1415098-A // Heater for soldering coppers // Klein Charles H. // American Telephone & Telegraph | ||||
| PDF File 1717475.pdf | 304 kB | Shaun Ewing | Jun 18, 1929 00:00 |
|
US-1717475-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | |||
| Version 1 (current) | 304 kB | Shaun Ewing | Jun 18, 1929 00:00 | US-1717475-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | ||||
| PDF File 1423518.pdf | 304 kB | Shaun Ewing | Jul 25, 1922 00:00 |
|
US-1423518-A // Frequency regulator // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 304 kB | Shaun Ewing | Jul 25, 1922 00:00 | US-1423518-A // Frequency regulator // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1596101.pdf | 303 kB | Shaun Ewing | Aug 17, 1926 00:00 |
|
US-1596101-A // High-frequency signaling system // Holden William H. T. ; Schramm Fred William // American Telephone & Telegraph | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Aug 17, 1926 00:00 | US-1596101-A // High-frequency signaling system // Holden William H. T. ; Schramm Fred William // American Telephone & Telegraph | ||||
| PDF File 1576561.pdf | 303 kB | Shaun Ewing | Mar 16, 1926 00:00 |
|
US-1576561-A // Arrangement for exercising remote control over repeaters // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Mar 16, 1926 00:00 | US-1576561-A // Arrangement for exercising remote control over repeaters // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1481289.pdf | 303 kB | Shaun Ewing | Jan 22, 1924 00:00 |
|
US-1481289-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Jan 22, 1924 00:00 | US-1481289-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | ||||
| PDF File 1536118.pdf | 302 kB | Shaun Ewing | May 05, 1925 00:00 |
|
US-1536118-A // Sound reproducer // Mccutchen Brunson S. // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | May 05, 1925 00:00 | US-1536118-A // Sound reproducer // Mccutchen Brunson S. // American Telephone & Telegraph | ||||
| PDF File 1769431.pdf | 302 kB | Shaun Ewing | Jul 01, 1930 00:00 |
|
US-1769431-A // Electrical-communication-receiving apparatus // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Jul 01, 1930 00:00 | US-1769431-A // Electrical-communication-receiving apparatus // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1686570.pdf | 302 kB | Shaun Ewing | Oct 09, 1928 00:00 |
|
US-1686570-A // Equipotential cathode vacuum tube // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Oct 09, 1928 00:00 | US-1686570-A // Equipotential cathode vacuum tube // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1738653.pdf | 302 kB | Shaun Ewing | Dec 10, 1929 00:00 |
|
US-1738653-A // Telephone receiver // Inglis Alfred H. ; Guenther Raymond // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738653-A // Telephone receiver // Inglis Alfred H. ; Guenther Raymond // American Telephone & Telegraph | ||||
| PDF File 1694429.pdf | 300 kB | Shaun Ewing | Dec 11, 1928 00:00 |
|
US-1694429-A // Auxiliary dialing tool // Peak Warner L. // American Telephone & Telegraph | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Dec 11, 1928 00:00 | US-1694429-A // Auxiliary dialing tool // Peak Warner L. // American Telephone & Telegraph | ||||
| PDF File 1483930.pdf | 300 kB | Shaun Ewing | Feb 19, 1924 00:00 |
|
US-1483930-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Feb 19, 1924 00:00 | US-1483930-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | ||||
| PDF File 1558534.pdf | 300 kB | Shaun Ewing | Oct 27, 1925 00:00 |
|
US-1558534-A // Telephone circuits // Jr. John Davidson, // American Telephone & Telegraph | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Oct 27, 1925 00:00 | US-1558534-A // Telephone circuits // Jr. John Davidson, // American Telephone & Telegraph | ||||
| PDF File 1466007.pdf | 298 kB | Shaun Ewing | Aug 28, 1923 00:00 |
|
US-1466007-A // Wire grip // Walton Clifford J. // American Telephone & Telegraph | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Aug 28, 1923 00:00 | US-1466007-A // Wire grip // Walton Clifford J. // American Telephone & Telegraph | ||||
| PDF File 1718301.pdf | 298 kB | Shaun Ewing | Jun 25, 1929 00:00 |
|
US-1718301-A // Operator's telephone circuit // Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Jun 25, 1929 00:00 | US-1718301-A // Operator's telephone circuit // Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 1665296.pdf | 297 kB | Shaun Ewing | Apr 10, 1928 00:00 |
|
US-1665296-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 297 kB | Shaun Ewing | Apr 10, 1928 00:00 | US-1665296-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1607687.pdf | 297 kB | Shaun Ewing | Nov 23, 1926 00:00 |
|
US-1607687-A // Electrical circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 297 kB | Shaun Ewing | Nov 23, 1926 00:00 | US-1607687-A // Electrical circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1719916.pdf | 296 kB | Shaun Ewing | Jul 09, 1929 00:00 |
|
US-1719916-A // Picture-transmitting system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 296 kB | Shaun Ewing | Jul 09, 1929 00:00 | US-1719916-A // Picture-transmitting system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1548095.pdf | 296 kB | Shaun Ewing | Aug 04, 1925 00:00 |
|
US-1548095-A // Vacuum-tube translating device // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 296 kB | Shaun Ewing | Aug 04, 1925 00:00 | US-1548095-A // Vacuum-tube translating device // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1554290.pdf | 294 kB | Shaun Ewing | Sept 22, 1925 00:00 |
|
US-1554290-A // Carrier telegraph system // Parker Ralzemond D. ; Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554290-A // Carrier telegraph system // Parker Ralzemond D. ; Hamilton Baxter P. // American Telephone & Telegraph |
