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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 1750666.pdf | 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 | |||
| 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 1750668.pdf | 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 | |||
| 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 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 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 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 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 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 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 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 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 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 1752326.pdf | 486 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752326-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752326-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1752330.pdf | 481 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752330-A // Suppression of interference in carrier telegraph systems // Clapp Robert H. // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752330-A // Suppression of interference in carrier telegraph systems // Clapp Robert H. // American Telephone & Telegraph | ||||
| PDF File 1752344.pdf | 537 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752344-A // Reduction of atmospheric interference // Kelley Leo A. // American Telephone & Telegraph | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752344-A // Reduction of atmospheric interference // Kelley Leo A. // American Telephone & Telegraph | ||||
| PDF File 1752345.pdf | 529 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752345-A // Reduction of atmospheric disturbance // Kelley Leo A. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752345-A // Reduction of atmospheric disturbance // Kelley Leo A. // American Telephone & Telegraph | ||||
| PDF File 1752346.pdf | 516 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752346-A // Interference neutralizer for alternating-current telegraph systems // Kelley Leo A. ; Monk Newton ; Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752346-A // Interference neutralizer for alternating-current telegraph systems // Kelley Leo A. ; Monk Newton ; Thorp Vaughn P. // American Telephone & Telegraph | ||||
| PDF File 1752347.pdf | 462 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752347-A // Reduction of atmospheric disturbance // Leibe Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752347-A // Reduction of atmospheric disturbance // Leibe Frank A. // American Telephone & Telegraph | ||||
| PDF File 1752360.pdf | 768 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752360-A // Reduction of static interference in carrier systems // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 768 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752360-A // Reduction of static interference in carrier systems // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1753230.pdf | 317 kB | Shaun Ewing | Apr 08, 1930 00:00 |
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US-1753230-A // Meter // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753230-A // Meter // Best Fred H. // American Telephone & Telegraph |
