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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1550659.pdf | 374 kB | Shaun Ewing | Aug 25, 1925 00:00 |
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US-1550659-A // Supervisory circuits for multiplex signaling // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Aug 25, 1925 00:00 | US-1550659-A // Supervisory circuits for multiplex signaling // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1550660.pdf | 388 kB | Shaun Ewing | Aug 25, 1925 00:00 |
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US-1550660-A // Prevention of overloading in speech circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 388 kB | Shaun Ewing | Aug 25, 1925 00:00 | US-1550660-A // Prevention of overloading in speech circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1550684.pdf | 430 kB | Shaun Ewing | Aug 25, 1925 00:00 |
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US-1550684-A // Prevention of overloading in speech circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Aug 25, 1925 00:00 | US-1550684-A // Prevention of overloading in speech circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1551595.pdf | 558 kB | Shaun Ewing | Sept 01, 1925 00:00 |
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US-1551595-A // Alternating-current printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Sept 01, 1925 00:00 | US-1551595-A // Alternating-current printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1551603.pdf | 262 kB | Shaun Ewing | Sept 01, 1925 00:00 |
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US-1551603-A // Adjustable mold for making plastic forms // Melosi Hugo E. ; Gray Joseph H. // American Telephone & Telegraph | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Sept 01, 1925 00:00 | US-1551603-A // Adjustable mold for making plastic forms // Melosi Hugo E. ; Gray Joseph H. // American Telephone & Telegraph | ||||
| PDF File 1552465.pdf | 1.16 MB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552465-A // Means and method for measuring direct capacities // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552465-A // Means and method for measuring direct capacities // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1552466.pdf | 846 kB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552466-A // Means and method for measuring balanced terminal capacities // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 846 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552466-A // Means and method for measuring balanced terminal capacities // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1552467.pdf | 563 kB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552467-A // Means and method for measuring direct capacities // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 563 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552467-A // Means and method for measuring direct capacities // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1552470.pdf | 458 kB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552470-A // Means for measuring telegraph distortion // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552470-A // Means for measuring telegraph distortion // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1552499.pdf | 744 kB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552499-A // Means for measuring telegraph distortion // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552499-A // Means for measuring telegraph distortion // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1553417.pdf | 1.27 MB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553417-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553417-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1553435.pdf | 563 kB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553435-A // Means to control cross talk // Chapman Arthur G. ; Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 563 kB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553435-A // Means to control cross talk // Chapman Arthur G. ; Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1553454.pdf | 925 kB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553454-A // Radio repeating system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 925 kB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553454-A // Radio repeating system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1553465.pdf | 336 kB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553465-A // Testing apparatus // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 336 kB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553465-A // Testing apparatus // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1553489.pdf | 1.26 MB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553489-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553489-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1554188.pdf | 601 kB | Shaun Ewing | Sept 22, 1925 00:00 |
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US-1554188-A // High-frequency multiplex-signaling system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 601 kB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554188-A // High-frequency multiplex-signaling system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1554189.pdf | 518 kB | Shaun Ewing | Sept 22, 1925 00:00 |
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US-1554189-A // Equalization of carrier transmission // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554189-A // Equalization of carrier transmission // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1554190.pdf | 594 kB | Shaun Ewing | Sept 22, 1925 00:00 |
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US-1554190-A // Detecting circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 594 kB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554190-A // Detecting circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1554266.pdf | 321 kB | Shaun Ewing | Sept 22, 1925 00:00 |
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US-1554266-A // Detecting circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554266-A // Detecting circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1554290.pdf | 294 kB | Shaun Ewing | Sept 22, 1925 00:00 |
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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 |
