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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2250934.pdf | 593 kB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2250934-A // System and method for production of electromagnetic waves // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 593 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250934-A // System and method for production of electromagnetic waves // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2250927.pdf | 849 kB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2250927-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 849 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250927-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | ||||
| PDF File 2250529.pdf | 557 kB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2250529-A // Signal translating apparatus // Gray Frank ; Johnson John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250529-A // Signal translating apparatus // Gray Frank ; Johnson John B. // Bell Telephone Labor Inc | ||||
| PDF File 2250528.pdf | 725 kB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2250528-A // Signal translating system and apparatus // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250528-A // Signal translating system and apparatus // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2250527.pdf | 1.14 MB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2250527-A // Signal translating apparatus // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250527-A // Signal translating apparatus // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2250283.pdf | 799 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250283-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250283-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2250264.pdf | 791 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250264-A // Telephone ringing system // Ingram Sydney B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250264-A // Telephone ringing system // Ingram Sydney B. // Bell Telephone Labor Inc | ||||
| PDF File 2250173.pdf | 760 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250173-A // Coin control circuit // Allison Sewell W. ; Mckim James B. ; Robb Theodore D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 760 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250173-A // Coin control circuit // Allison Sewell W. ; Mckim James B. ; Robb Theodore D. // 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 | ||||
| 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 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 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 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 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 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 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 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 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 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 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 |
