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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 1535244.pdf | 576 kB | Shaun Ewing | Apr 28, 1925 00:00 |
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US-1535244-A // Telegraphy // Percival Harry S. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Apr 28, 1925 00:00 | US-1535244-A // Telegraphy // Percival Harry S. // American Telephone & Telegraph | ||||
| PDF File 1535104.pdf | 446 kB | Shaun Ewing | Apr 28, 1925 00:00 |
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US-1535104-A // Means for preventing electrical interference // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Apr 28, 1925 00:00 | US-1535104-A // Means for preventing electrical interference // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1534661.pdf | 1.17 MB | Shaun Ewing | Apr 21, 1925 00:00 |
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US-1534661-A // System of telegraphic distribution // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Apr 21, 1925 00:00 | US-1534661-A // System of telegraphic distribution // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1534660.pdf | 856 kB | Shaun Ewing | Apr 21, 1925 00:00 |
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US-1534660-A // System of telegraphic distribution // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 856 kB | Shaun Ewing | Apr 21, 1925 00:00 | US-1534660-A // System of telegraphic distribution // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1534118.pdf | 649 kB | Shaun Ewing | Apr 21, 1925 00:00 |
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US-1534118-A // Method of adjusting balance between electrical conductors or networks // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Apr 21, 1925 00:00 | US-1534118-A // Method of adjusting balance between electrical conductors or networks // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1534074.pdf | 341 kB | Shaun Ewing | Apr 21, 1925 00:00 |
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US-1534074-A // Telegraphy // Parker Ralzemond D. // American Telephone And Telepgr | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Apr 21, 1925 00:00 | US-1534074-A // Telegraphy // Parker Ralzemond D. // American Telephone And Telepgr | ||||
| PDF File 1533105.pdf | 256 kB | Shaun Ewing | Apr 14, 1925 00:00 |
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US-1533105-A // Electric signaling // Eggers Henry C. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Apr 14, 1925 00:00 | US-1533105-A // Electric signaling // Eggers Henry C. T. // American Telephone & Telegraph | ||||
| PDF File 1533091.pdf | 726 kB | Shaun Ewing | Apr 14, 1925 00:00 |
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US-1533091-A // Duplex signaling system // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Apr 14, 1925 00:00 | US-1533091-A // Duplex signaling system // Blackwell Otto B. // American Telephone & Telegraph |
