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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2810088.pdf | 698 kB | Shaun Ewing | Oct 15, 1957 00:00 |
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US-2810088-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 698 kB | Shaun Ewing | Oct 15, 1957 00:00 | US-2810088-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | ||||
| PDF File 2810089.pdf | 656 kB | Shaun Ewing | Oct 15, 1957 00:00 |
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US-2810089-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Oct 15, 1957 00:00 | US-2810089-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | ||||
| PDF File 2810090.pdf | 543 kB | Shaun Ewing | Oct 15, 1957 00:00 |
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US-2810090-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 543 kB | Shaun Ewing | Oct 15, 1957 00:00 | US-2810090-A // Cathodes for electron discharge devices // Macnair Donald // Bell Telephone Labor Inc | ||||
| PDF File 2808459.pdf | 2.00 MB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808459-A // Identifier-translator // Barlow Dick S. ; Jr. George B. Crofutt, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.00 MB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808459-A // Identifier-translator // Barlow Dick S. ; Jr. George B. Crofutt, // Bell Telephone Labor Inc | ||||
| PDF File 2808509.pdf | 1.81 MB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808509-A // Frequency controlled variable oscillator // Felch Edwin P. ; Israel John O. ; Kummer Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.81 MB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808509-A // Frequency controlled variable oscillator // Felch Edwin P. ; Israel John O. ; Kummer Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2808475.pdf | 1.28 MB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808475-A // Loudness indicator // Stryker Norman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808475-A // Loudness indicator // Stryker Norman R. // Bell Telephone Labor Inc | ||||
| PDF File 2808464.pdf | 974 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808464-A // Carrier ringing circuit // Wcber Laurance A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 974 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808464-A // Carrier ringing circuit // Wcber Laurance A. // Bell Telephone Labor Inc | ||||
| PDF File 2808538.pdf | 833 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808538-A // Magnetron oscillator // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 833 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808538-A // Magnetron oscillator // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2808463.pdf | 775 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808463-A // Telephone signaling device // Jenkins Reginald T. ; Polk Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808463-A // Telephone signaling device // Jenkins Reginald T. ; Polk Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2808533.pdf | 742 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808533-A // Electron discharge devices // Robertson George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808533-A // Electron discharge devices // Robertson George H. // Bell Telephone Labor Inc | ||||
| PDF File 2808584.pdf | 737 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808584-A // Directional radiator // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808584-A // Directional radiator // Kock Winston E. // Bell Telephone Labor Inc | ||||
| PDF File 2808315.pdf | 693 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808315-A // Processing of silicon // Bemski George // Bell Telephone Labor Inc | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808315-A // Processing of silicon // Bemski George // Bell Telephone Labor Inc | ||||
| PDF File 2807868.pdf | 693 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2807868-A // Method of manufacture of contact springs // Knapp Harry M. ; Koehler Donald C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2807868-A // Method of manufacture of contact springs // Knapp Harry M. ; Koehler Donald C. // Bell Telephone Labor Inc | ||||
| PDF File 2808511.pdf | 577 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808511-A // Pulse generators with pulse shaping // Thulin Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808511-A // Pulse generators with pulse shaping // Thulin Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2808462.pdf | 455 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2808462-A // Subscriber telephone set // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2808462-A // Subscriber telephone set // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2807810.pdf | 374 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2807810-A // Combination wire stripping, cutting, and wrapping tool // Belek Emil ; Riederer Conrad A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2807810-A // Combination wire stripping, cutting, and wrapping tool // Belek Emil ; Riederer Conrad A. // Bell Telephone Labor Inc | ||||
| PDF File 2807856.pdf | 362 kB | Shaun Ewing | Oct 01, 1957 00:00 |
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US-2807856-A // Manufacture of silicon carbide varistors // Frosch Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Oct 01, 1957 00:00 | US-2807856-A // Manufacture of silicon carbide varistors // Frosch Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2807668.pdf | 4.74 MB | Shaun Ewing | Sept 24, 1957 00:00 |
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US-2807668-A // Line concentrator service observing circuit // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.74 MB | Shaun Ewing | Sept 24, 1957 00:00 | US-2807668-A // Line concentrator service observing circuit // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | ||||
| PDF File 2807743.pdf | 1.21 MB | Shaun Ewing | Sept 24, 1957 00:00 |
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US-2807743-A // Traveling wave tube apparatus including magnetic structures // Cioffi Paul P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Sept 24, 1957 00:00 | US-2807743-A // Traveling wave tube apparatus including magnetic structures // Cioffi Paul P. // Bell Telephone Labor Inc | ||||
| PDF File 2807796.pdf | 1.15 MB | Shaun Ewing | Sept 24, 1957 00:00 |
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US-2807796-A // Register circuit // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Sept 24, 1957 00:00 | US-2807796-A // Register circuit // Germanton Charles E. // Bell Telephone Labor Inc |
