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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2249160.pdf | 387 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249160-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 387 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249160-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2249161.pdf | 560 kB | Shaun Ewing | Jul 15, 1941 00:00 |
|
US-2249161-A // Electroacoustic device // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 560 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249161-A // Electroacoustic device // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2249323.pdf | 1.30 MB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249323-A // Testing apparatus // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249323-A // Testing apparatus // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2249362.pdf | 565 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249362-A // Operator's position circuit // Irvine Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 565 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249362-A // Operator's position circuit // Irvine Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2249415.pdf | 1.51 MB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249415-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249415-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2249429.pdf | 1.52 MB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249429-A // Teletypewriter switching system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.52 MB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249429-A // Teletypewriter switching system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2249440.pdf | 637 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249440-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249440-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2249577.pdf | 778 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249577-A // Polarized relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 778 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249577-A // Polarized relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2249599.pdf | 482 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249599-A // Electrical contact device // Burns Robert M. ; Tolman Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249599-A // Electrical contact device // Burns Robert M. ; Tolman Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 2249747.pdf | 657 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249747-A // Regulating system // Cole Ira E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 657 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249747-A // Regulating system // Cole Ira E. // Bell Telephone Labor Inc | ||||
| PDF File 2249808.pdf | 629 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249808-A // Drainage system // Cash Claude C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249808-A // Drainage system // Cash Claude C. // Bell Telephone Labor Inc | ||||
| PDF File 2249835.pdf | 700 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249835-A // Magnetostrictive vibrator // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 700 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249835-A // Magnetostrictive vibrator // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2249854.pdf | 455 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249854-A // Signaling system // Rehm Theodore C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249854-A // Signaling system // Rehm Theodore C. // Bell Telephone Labor Inc | ||||
| PDF File 2249931.pdf | 1.15 MB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249931-A // Indicating and control circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249931-A // Indicating and control circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2249950.pdf | 429 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249950-A // Method of preparing linear polyesters // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249950-A // Method of preparing linear polyesters // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2250100.pdf | 1.45 MB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250100-A // Signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250100-A // Signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2250101.pdf | 1.70 MB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250101-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.70 MB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250101-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2250104.pdf | 854 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250104-A // Frequency regulation // Morrison John F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 854 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250104-A // Frequency regulation // Morrison John F. // Bell Telephone Labor Inc | ||||
| PDF File 2250156.pdf | 537 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250156-A // Electrical connection // Ferguson Lawrence // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250156-A // Electrical connection // Ferguson Lawrence // Bell Telephone Labor Inc | ||||
| PDF File 2250172.pdf | 898 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250172-A // Electrical wave amplification // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250172-A // Electrical wave amplification // Wilson Ira G. // Bell Telephone Labor Inc |
