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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2299897.pdf | 1.55 MB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2299897-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Oct 27, 1942 00:00 | US-2299897-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2299898.pdf | 747 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2299898-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2299898-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2300075.pdf | 711 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300075-A // Piezoelectric crystal controlled oscillator // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 711 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300075-A // Piezoelectric crystal controlled oscillator // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2300133.pdf | 519 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300133-A // Broad band amplifier // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300133-A // Broad band amplifier // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2300296.pdf | 1.61 MB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300296-A // Power plant // Langabeer Harvey T. ; Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300296-A // Power plant // Langabeer Harvey T. ; Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2300316.pdf | 4.34 MB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300316-A // Private branch exchange system // Swartzel Jr Karl D // Phyllis Raymond ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.34 MB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300316-A // Private branch exchange system // Swartzel Jr Karl D // Phyllis Raymond ; Bell Telephone Labor Inc | ||||
| PDF File 2300320.pdf | 487 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300320-A // Device for reproducing tone frequencies // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300320-A // Device for reproducing tone frequencies // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc | ||||
| PDF File 2300336.pdf | 415 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300336-A // Magnetic alloy of iron and aluminum // Bozorth Richard M. ; Williams Howell J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 415 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300336-A // Magnetic alloy of iron and aluminum // Bozorth Richard M. ; Williams Howell J. // Bell Telephone Labor Inc | ||||
| PDF File 2300366.pdf | 718 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300366-A // Signal transmission system // Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 718 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300366-A // Signal transmission system // Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2300371.pdf | 554 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300371-A // Switching device // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 554 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300371-A // Switching device // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2300415.pdf | 742 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300415-A // Transmission control // Green Estill I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300415-A // Transmission control // Green Estill I. // Bell Telephone Labor Inc | ||||
| PDF File 2300429.pdf | 444 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300429-A // Protective circuit for oscillators // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300429-A // Protective circuit for oscillators // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2300436.pdf | 519 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300436-A // Phase modulation // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300436-A // Phase modulation // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2300505.pdf | 629 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300505-A // Selective system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300505-A // Selective system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2300516.pdf | 285 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300516-A // Shearing tool // Mesch Orwar S. A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 285 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300516-A // Shearing tool // Mesch Orwar S. A. // Bell Telephone Labor Inc | ||||
| PDF File 2300546.pdf | 311 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300546-A // Dispensing device // Griest Raymond H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 311 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300546-A // Dispensing device // Griest Raymond H. // Bell Telephone Labor Inc | ||||
| PDF File 2300618.pdf | 708 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300618-A // Branch exchange // Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 708 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300618-A // Branch exchange // Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 2300622.pdf | 375 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300622-A // Alternating current generator // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300622-A // Alternating current generator // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2300638.pdf | 298 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300638-A // Alternating current generator // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300638-A // Alternating current generator // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2300775.pdf | 1.90 MB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300775-A // Communication system // Cole Ira E. ; Melhose Alfred E. ; Tuthill Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.90 MB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300775-A // Communication system // Cole Ira E. ; Melhose Alfred E. ; Tuthill Walter W. // Bell Telephone Labor Inc |
