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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2173472.pdf | 674 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173472-A // Transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 674 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173472-A // Transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 2173335.pdf | 677 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173335-A // Telegraph exchange system // Kinkead Fullerton S. ; Singer Fred J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 677 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173335-A // Telegraph exchange system // Kinkead Fullerton S. ; Singer Fred J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2173183.pdf | 781 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173183-A // Cross-talk measurement // Schramm Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 781 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173183-A // Cross-talk measurement // Schramm Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2173170.pdf | 1.17 MB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173170-A // Teletypewriter apparatus // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173170-A // Teletypewriter apparatus // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2172832.pdf | 1.03 MB | Shaun Ewing | Sept 12, 1939 00:00 |
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US-2172832-A // Carrier current transmission system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172832-A // Carrier current transmission system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 2172453.pdf | 523 kB | Shaun Ewing | Sept 12, 1939 00:00 |
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US-2172453-A // Radio transmitter // Rose Charles F. P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172453-A // Radio transmitter // Rose Charles F. P. // Bell Telephone Labor Inc | ||||
| PDF File 2171733.pdf | 590 kB | Shaun Ewing | Sept 05, 1939 00:00 |
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US-2171733-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Sept 05, 1939 00:00 | US-2171733-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2171333.pdf | 380 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171333-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171333-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 2171127.pdf | 577 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171127-A // Condenser // Kohman Girard T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171127-A // Condenser // Kohman Girard T. // Bell Telephone Labor Inc | ||||
| PDF File 2171119.pdf | 317 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171119-A // Strand-winding machine // Belits William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171119-A // Strand-winding machine // Belits William A. // Bell Telephone Labor Inc | ||||
| PDF File 2170944.pdf | 1.13 MB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2170944-A // Multicathode ray discharge device // Glass Myron S. ; Hale Douglas A. S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Aug 29, 1939 00:00 | US-2170944-A // Multicathode ray discharge device // Glass Myron S. ; Hale Douglas A. S. // Bell Telephone Labor Inc | ||||
| PDF File 2170941.pdf | 1.41 MB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2170941-A // Transmission control in signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 29, 1939 00:00 | US-2170941-A // Transmission control in signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 2170873.pdf | 343 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2170873-A // Electrical system // Price Arnold F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2170873-A // Electrical system // Price Arnold F. // Bell Telephone Labor Inc | ||||
| PDF File 2170812.pdf | 461 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2170812-A // Frequency modulation // Lange Owen E. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 461 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2170812-A // Frequency modulation // Lange Owen E. De // Bell Telephone Labor Inc | ||||
| PDF File 2170650.pdf | 237 kB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170650-A // Alloy // Bouton George M. ; Schumacher Earle E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 237 kB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170650-A // Alloy // Bouton George M. ; Schumacher Earle E. // Bell Telephone Labor Inc | ||||
| PDF File 2170645.pdf | 453 kB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170645-A // High frequency amplifier // Peterson Liss C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 453 kB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170645-A // High frequency amplifier // Peterson Liss C. // Bell Telephone Labor Inc | ||||
| PDF File 2170571.pdf | 256 kB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170571-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170571-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2170403.pdf | 1.49 MB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170403-A // Telephone system // Goddard Myron C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170403-A // Telephone system // Goddard Myron C. // Bell Telephone Labor Inc | ||||
| PDF File 2170397.pdf | 1.86 MB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170397-A // Signal transmission system // Bjornson Bjorn G. ; Bryant Newton W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.86 MB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170397-A // Signal transmission system // Bjornson Bjorn G. ; Bryant Newton W. // Bell Telephone Labor Inc | ||||
| PDF File 2170206.pdf | 883 kB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170206-A // Electrical and electromechanical system employing magnetostrictive devices // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170206-A // Electrical and electromechanical system employing magnetostrictive devices // Mason Warren P. // Bell Telephone Labor Inc |
