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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1915382.pdf | 1.17 MB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915382-A // Radio telephone system // Pruden Harold M. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915382-A // Radio telephone system // Pruden Harold M. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 1914414.pdf | 504 kB | Shaun Ewing | Jun 20, 1933 00:00 |
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US-1914414-A // System for measuring transmission at various frequencies // Fairchild Frank E. // American Telephone & Telegraph | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Jun 20, 1933 00:00 | US-1914414-A // System for measuring transmission at various frequencies // Fairchild Frank E. // American Telephone & Telegraph | ||||
| PDF File 1914407.pdf | 827 kB | Shaun Ewing | Jun 20, 1933 00:00 |
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US-1914407-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 827 kB | Shaun Ewing | Jun 20, 1933 00:00 | US-1914407-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1913496.pdf | 705 kB | Shaun Ewing | Jun 13, 1933 00:00 |
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US-1913496-A // Automatic recordfr for transmission efficiency // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Jun 13, 1933 00:00 | US-1913496-A // Automatic recordfr for transmission efficiency // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1913495.pdf | 812 kB | Shaun Ewing | Jun 13, 1933 00:00 |
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US-1913495-A // Multifrequency transmission measuring system // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 812 kB | Shaun Ewing | Jun 13, 1933 00:00 | US-1913495-A // Multifrequency transmission measuring system // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1912510.pdf | 220 kB | Shaun Ewing | Jun 06, 1933 00:00 |
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US-1912510-A // Signaling system for party telephone lines // Bradford Raymond C. // American Telephone & Telegraph | |||
| Version 1 (current) | 220 kB | Shaun Ewing | Jun 06, 1933 00:00 | US-1912510-A // Signaling system for party telephone lines // Bradford Raymond C. // American Telephone & Telegraph | ||||
| PDF File 1912508.pdf | 422 kB | Shaun Ewing | Jun 06, 1933 00:00 |
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US-1912508-A // Index holder // Andrews John P. ; Popper Julius S. // American Telephone & Telegraph | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Jun 06, 1933 00:00 | US-1912508-A // Index holder // Andrews John P. ; Popper Julius S. // American Telephone & Telegraph | ||||
| PDF File 1911481.pdf | 419 kB | Shaun Ewing | May 30, 1933 00:00 |
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US-1911481-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | May 30, 1933 00:00 | US-1911481-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1911480.pdf | 407 kB | Shaun Ewing | May 30, 1933 00:00 |
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US-1911480-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 407 kB | Shaun Ewing | May 30, 1933 00:00 | US-1911480-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1910471.pdf | 377 kB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910471-A // Transmission line // Lockrow Laurice Laird // American Telephone & Telegraph | |||
| Version 1 (current) | 377 kB | Shaun Ewing | May 23, 1933 00:00 | US-1910471-A // Transmission line // Lockrow Laurice Laird // American Telephone & Telegraph | ||||
| PDF File 1910458.pdf | 1.11 MB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910458-A // Printing telegraph arrangement for radio telephone systems // Bailey Austin ; Herman Joseph ; Wintringham William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | May 23, 1933 00:00 | US-1910458-A // Printing telegraph arrangement for radio telephone systems // Bailey Austin ; Herman Joseph ; Wintringham William T. // American Telephone & Telegraph | ||||
| PDF File 1909433.pdf | 1.79 MB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909433-A // Voice operated control arrangement for radio telephone systems // Taylor Edmund R. ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | May 16, 1933 00:00 | US-1909433-A // Voice operated control arrangement for radio telephone systems // Taylor Edmund R. ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1909414.pdf | 675 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909414-A // Tuning fork generator // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 675 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909414-A // Tuning fork generator // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1908351.pdf | 377 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1908351-A // Transmission measuring system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 377 kB | Shaun Ewing | May 09, 1933 00:00 | US-1908351-A // Transmission measuring system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1908326.pdf | 939 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1908326-A // Selective signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 939 kB | Shaun Ewing | May 09, 1933 00:00 | US-1908326-A // Selective signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1906804.pdf | 416 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1906804-A // Polar duplex telegraph system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | May 02, 1933 00:00 | US-1906804-A // Polar duplex telegraph system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1906775.pdf | 383 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1906775-A // Voice operated gain adjuster // Staples Elliot M. // American Telephone & Telegraph | |||
| Version 1 (current) | 383 kB | Shaun Ewing | May 02, 1933 00:00 | US-1906775-A // Voice operated gain adjuster // Staples Elliot M. // American Telephone & Telegraph | ||||
| PDF File 1905359.pdf | 1.35 MB | Shaun Ewing | Apr 25, 1933 00:00 |
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US-1905359-A // Channel selection // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Apr 25, 1933 00:00 | US-1905359-A // Channel selection // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1905353.pdf | 421 kB | Shaun Ewing | Apr 25, 1933 00:00 |
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US-1905353-A // Attenuation unit // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Apr 25, 1933 00:00 | US-1905353-A // Attenuation unit // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1904567.pdf | 517 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1904567-A // Two-way telephone system // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904567-A // Two-way telephone system // Taylor Edmund R. // American Telephone & Telegraph |
