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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1752325.pdf | 586 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752325-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752325-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1752303.pdf | 520 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752303-A // Interference neutralizer for alternating-current telegraph systems // Kelley Leo A. // American Telephone & Telegraph | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752303-A // Interference neutralizer for alternating-current telegraph systems // Kelley Leo A. // American Telephone & Telegraph | ||||
| PDF File 1751527.pdf | 394 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751527-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751527-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1751522.pdf | 238 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751522-A // Multiple-way connection for transmission lines // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 238 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751522-A // Multiple-way connection for transmission lines // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1751516.pdf | 709 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751516-A // Common-frequency broadcasting system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 709 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751516-A // Common-frequency broadcasting system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1751510.pdf | 719 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751510-A // Method and apparatus for making joints // Cunningham James // American Telephone & Telegraph | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751510-A // Method and apparatus for making joints // Cunningham James // American Telephone & Telegraph | ||||
| PDF File 1751509.pdf | 1.25 MB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751509-A // Electric soldering machine // Cunningham James // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751509-A // Electric soldering machine // Cunningham James // American Telephone & Telegraph | ||||
| PDF File 1750694.pdf | 155 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750694-A // Drive ring // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750694-A // Drive ring // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1750688.pdf | 699 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750688-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750688-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1750668.pdf | 941 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750668-A // Determining movement and position of moving objects // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 941 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750668-A // Determining movement and position of moving objects // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1750666.pdf | 1.69 MB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750666-A // Toll circuit // Glezen Lee L. ; Stigers Morton J. ; Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750666-A // Toll circuit // Glezen Lee L. ; Stigers Morton J. ; Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1750661.pdf | 290 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750661-A // Cathode-ray oscillograph // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 290 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750661-A // Cathode-ray oscillograph // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1749851.pdf | 455 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749851-A // Circuit controller // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749851-A // Circuit controller // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1749844.pdf | 252 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749844-A // System for furnishing intermittent telegraph service // Roberts Leland C. // American Telephone & Telegraph | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749844-A // System for furnishing intermittent telegraph service // Roberts Leland C. // American Telephone & Telegraph | ||||
| PDF File 1749841.pdf | 320 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749841-A // Voice-operated relay equipment // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749841-A // Voice-operated relay equipment // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1749838.pdf | 522 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749838-A // Selective system // Niles Eliot W. // American Telephone & Telegraph | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749838-A // Selective system // Niles Eliot W. // American Telephone & Telegraph | ||||
| PDF File 1749825.pdf | 281 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749825-A // Telegraph system // Loye Donald P. // American Telephone & Telegraph | |||
| Version 1 (current) | 281 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749825-A // Telegraph system // Loye Donald P. // American Telephone & Telegraph | ||||
| PDF File 1749048.pdf | 451 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749048-A // Carrier-telegraph alarm system // Thorp Vaughn P. ; Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 451 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749048-A // Carrier-telegraph alarm system // Thorp Vaughn P. ; Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1749045.pdf | 515 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749045-A // Signaling system // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749045-A // Signaling system // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | ||||
| PDF File 1749044.pdf | 460 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749044-A // Meter // Niles Eliot W. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749044-A // Meter // Niles Eliot W. // American Telephone & Telegraph |
