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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2303377.pdf | 775 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303377-A // Communication system with voiceoperated switching mechanisms // Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303377-A // Communication system with voiceoperated switching mechanisms // Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2303419.pdf | 556 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303419-A // Two-way signal transmission system // Affel Herman A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 556 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303419-A // Two-way signal transmission system // Affel Herman A. // Bell Telephone Labor Inc | ||||
| PDF File 2303474.pdf | 537 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303474-A // Electric switch // Kalb Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303474-A // Electric switch // Kalb Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 2303485.pdf | 1.25 MB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303485-A // Bridge-stabilized oscillator for voice frequency circuits // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303485-A // Bridge-stabilized oscillator for voice frequency circuits // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2303497.pdf | 322 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303497-A // Duplex metal body // Reeve Howard T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303497-A // Duplex metal body // Reeve Howard T. // Bell Telephone Labor Inc | ||||
| PDF File 2303555.pdf | 895 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303555-A // Hot plate device // Humphrey Robert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303555-A // Hot plate device // Humphrey Robert G. // Bell Telephone Labor Inc | ||||
| PDF File 2303564.pdf | 301 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303564-A // Alternating current generator // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 301 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303564-A // Alternating current generator // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2303907.pdf | 611 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303907-A // Multichannel signal transmission // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303907-A // Multichannel signal transmission // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2303930.pdf | 1.13 MB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303930-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303930-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2303933.pdf | 216 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303933-A // Method of welding // Hale Douglas A. S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 216 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303933-A // Method of welding // Hale Douglas A. S. // Bell Telephone Labor Inc | ||||
| PDF File 2303952.pdf | 251 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303952-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303952-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2303958.pdf | 540 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303958-A // Electrical resistance pad device // Schmidt William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 540 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303958-A // Electrical resistance pad device // Schmidt William C. // Bell Telephone Labor Inc | ||||
| PDF File 2304017.pdf | 779 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2304017-A // Carrier telegraph system // Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2304017-A // Carrier telegraph system // Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2304029.pdf | 486 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2304029-A // Ventilating system for telephone booths // Smith Albert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2304029-A // Ventilating system for telephone booths // Smith Albert K. // Bell Telephone Labor Inc | ||||
| PDF File 2304044.pdf | 671 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2304044-A // Voltage regulation and rectification // Whittle Horace // Bell Telephone Labor Inc | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2304044-A // Voltage regulation and rectification // Whittle Horace // Bell Telephone Labor Inc | ||||
| PDF File 2304061.pdf | 257 kB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304061-A // Switching device for telephone instruments // Little John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 257 kB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304061-A // Switching device for telephone instruments // Little John B. // Bell Telephone Labor Inc | ||||
| PDF File 2304135.pdf | 529 kB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304135-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304135-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | ||||
| PDF File 2304179.pdf | 1.18 MB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304179-A // Speech transmission system // Kleist Myron R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304179-A // Speech transmission system // Kleist Myron R. // Bell Telephone Labor Inc | ||||
| PDF File 2304238.pdf | 714 kB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304238-A // Cutting apparatus // Broughton William W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304238-A // Cutting apparatus // Broughton William W. // Bell Telephone Labor Inc | ||||
| PDF File 2304545.pdf | 704 kB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304545-A // Wave transmission network // Clement Andrew W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 704 kB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304545-A // Wave transmission network // Clement Andrew W. // Bell Telephone Labor Inc |
