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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2237154.pdf | 4.83 MB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2237154-A // Telegraph exchange system // Locke George A. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.83 MB | Shaun Ewing | Apr 01, 1941 00:00 | US-2237154-A // Telegraph exchange system // Locke George A. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2237135.pdf | 406 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2237135-A // Relaxation oscillator // Depp Wallace A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 406 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2237135-A // Relaxation oscillator // Depp Wallace A. // Bell Telephone Labor Inc | ||||
| PDF File 2236977.pdf | 988 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236977-A // Testing of electronic discharge devices // Shower Edmund G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236977-A // Testing of electronic discharge devices // Shower Edmund G. // Bell Telephone Labor Inc | ||||
| PDF File 2236973.pdf | 712 kB | Shaun Ewing | Apr 01, 1941 00:00 |
|
US-2236973-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236973-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2236893.pdf | 1013 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236893-A // Radiant energy distance determining system // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1013 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236893-A // Radiant energy distance determining system // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2236856.pdf | 635 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236856-A // Modulating system // Penick Dixon B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236856-A // Modulating system // Penick Dixon B. // Bell Telephone Labor Inc | ||||
| PDF File 2236690.pdf | 254 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236690-A // Negative impedance circuit // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236690-A // Negative impedance circuit // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2236684.pdf | 220 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236684-A // Inductive device // Hagemann Edwin C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 220 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236684-A // Inductive device // Hagemann Edwin C. // Bell Telephone Labor Inc | ||||
| PDF File 2236661.pdf | 665 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236661-A // Control of space discharge apparatus // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236661-A // Control of space discharge apparatus // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2236571.pdf | 774 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236571-A // Coin collector // Hoyt Frederick A. ; Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236571-A // Coin collector // Hoyt Frederick A. ; Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2236568.pdf | 376 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236568-A // Receiver cap acoustic filter // Edson Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 376 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236568-A // Receiver cap acoustic filter // Edson Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2236524.pdf | 380 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236524-A // Communication system // Curtis Austen M. ; Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236524-A // Communication system // Curtis Austen M. ; Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2236499.pdf | 938 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236499-A // Telephone system // Cesareo Orfeo ; Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 938 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236499-A // Telephone system // Cesareo Orfeo ; Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2236393.pdf | 1.10 MB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236393-A // Directional antenna // Beck Alfred C. ; Friis Harald T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236393-A // Directional antenna // Beck Alfred C. ; Friis Harald T. // Bell Telephone Labor Inc | ||||
| PDF File 2236392.pdf | 317 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236392-A // Concrete compacting tool // Barry Joseph F. ; Harley Joseph J. ; Hayford Walter S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236392-A // Concrete compacting tool // Barry Joseph F. ; Harley Joseph J. ; Hayford Walter S. // Bell Telephone Labor Inc | ||||
| PDF File 2236374.pdf | 1016 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236374-A // Remote indication and control // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1016 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236374-A // Remote indication and control // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2236246.pdf | 11.54 MB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236246-A // Telephone system // King Gerald V. ; Mckim James B. ; Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 11.54 MB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236246-A // Telephone system // King Gerald V. ; Mckim James B. ; Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2236172.pdf | 900 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236172-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236172-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2236157.pdf | 499 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236157-A // Contact chatter measuring device // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236157-A // Contact chatter measuring device // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2236041.pdf | 584 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236041-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236041-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc |
