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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1535269.pdf | 1.19 MB | Shaun Ewing | Apr 28, 1925 00:00 |
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US-1535269-A // Selective signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Apr 28, 1925 00:00 | US-1535269-A // Selective signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1536116.pdf | 310 kB | Shaun Ewing | May 05, 1925 00:00 |
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US-1536116-A // Sound reproducer // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 310 kB | Shaun Ewing | May 05, 1925 00:00 | US-1536116-A // Sound reproducer // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1536118.pdf | 302 kB | Shaun Ewing | May 05, 1925 00:00 |
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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 1536130.pdf | 845 kB | Shaun Ewing | May 05, 1925 00:00 |
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US-1536130-A // Operation of printing apparatus by radio // Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 845 kB | Shaun Ewing | May 05, 1925 00:00 | US-1536130-A // Operation of printing apparatus by radio // Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1537106.pdf | 576 kB | Shaun Ewing | May 12, 1925 00:00 |
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US-1537106-A // Means for and metho of equalizing attenuation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | May 12, 1925 00:00 | US-1537106-A // Means for and metho of equalizing attenuation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1537109.pdf | 3.92 MB | Shaun Ewing | May 12, 1925 00:00 |
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US-1537109-A // Telephone system // Jr. John Davidson, // American Telephone & Telegraph | |||
| Version 1 (current) | 3.92 MB | Shaun Ewing | May 12, 1925 00:00 | US-1537109-A // Telephone system // Jr. John Davidson, // American Telephone & Telegraph | ||||
| PDF File 1537126.pdf | 369 kB | Shaun Ewing | May 12, 1925 00:00 |
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US-1537126-A // Loud-speaker circuit // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 369 kB | Shaun Ewing | May 12, 1925 00:00 | US-1537126-A // Loud-speaker circuit // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1537283.pdf | 591 kB | Shaun Ewing | May 12, 1925 00:00 |
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US-1537283-A // Repeater for multiplex systems // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 591 kB | Shaun Ewing | May 12, 1925 00:00 | US-1537283-A // Repeater for multiplex systems // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1537986.pdf | 507 kB | Shaun Ewing | May 19, 1925 00:00 |
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US-1537986-A // Telephone repeater equipment // Crisson George ; Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 507 kB | Shaun Ewing | May 19, 1925 00:00 | US-1537986-A // Telephone repeater equipment // Crisson George ; Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1537990.pdf | 578 kB | Shaun Ewing | May 19, 1925 00:00 |
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US-1537990-A // Method of improving broadcast reception // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 578 kB | Shaun Ewing | May 19, 1925 00:00 | US-1537990-A // Method of improving broadcast reception // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1538001.pdf | 329 kB | Shaun Ewing | May 19, 1925 00:00 |
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US-1538001-A // Current-measuring arrangement // Pierce Ralph E. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 19, 1925 00:00 | US-1538001-A // Current-measuring arrangement // Pierce Ralph E. // American Telephone & Telegraph | ||||
| PDF File 1538948.pdf | 314 kB | Shaun Ewing | May 26, 1925 00:00 |
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US-1538948-A // Transformer // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 314 kB | Shaun Ewing | May 26, 1925 00:00 | US-1538948-A // Transformer // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1538960.pdf | 419 kB | Shaun Ewing | May 26, 1925 00:00 |
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US-1538960-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | May 26, 1925 00:00 | US-1538960-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | ||||
| PDF File 1538964.pdf | 1.00 MB | Shaun Ewing | May 26, 1925 00:00 |
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US-1538964-A // Wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | May 26, 1925 00:00 | US-1538964-A // Wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1539902.pdf | 259 kB | Shaun Ewing | Jun 02, 1925 00:00 |
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US-1539902-A // Carrier transmission over power circuits // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Jun 02, 1925 00:00 | US-1539902-A // Carrier transmission over power circuits // Honaman Richard K. // American Telephone & Telegraph | ||||
| PDF File 1539920.pdf | 765 kB | Shaun Ewing | Jun 02, 1925 00:00 |
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US-1539920-A // Signaling system // Taggart Dawson M. // American Telephone & Telegraph | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Jun 02, 1925 00:00 | US-1539920-A // Signaling system // Taggart Dawson M. // American Telephone & Telegraph | ||||
| PDF File 1540849.pdf | 689 kB | Shaun Ewing | Jun 09, 1925 00:00 |
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US-1540849-A // Signal-storing arrangement // Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 689 kB | Shaun Ewing | Jun 09, 1925 00:00 | US-1540849-A // Signal-storing arrangement // Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1540858.pdf | 269 kB | Shaun Ewing | Jun 09, 1925 00:00 |
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US-1540858-A // Brush // Pitcher James L. // American Telephone & Telegraph | |||
| Version 1 (current) | 269 kB | Shaun Ewing | Jun 09, 1925 00:00 | US-1540858-A // Brush // Pitcher James L. // American Telephone & Telegraph | ||||
| PDF File 1541878.pdf | 997 kB | Shaun Ewing | Jun 16, 1925 00:00 |
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US-1541878-A // Single polar telegraph circuits // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 997 kB | Shaun Ewing | Jun 16, 1925 00:00 | US-1541878-A // Single polar telegraph circuits // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1541879.pdf | 1.80 MB | Shaun Ewing | Jun 16, 1925 00:00 |
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US-1541879-A // Single polar telegraph circuits // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Jun 16, 1925 00:00 | US-1541879-A // Single polar telegraph circuits // Watson Edward F. // American Telephone & Telegraph |
