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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2427693.pdf | 786 kB | Shaun Ewing | Sept 23, 1947 00:00 |
|
US-2427693-A // Coupling system // Ryder Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 786 kB | Shaun Ewing | Sept 23, 1947 00:00 | US-2427693-A // Coupling system // Ryder Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 2427666.pdf | 715 kB | Shaun Ewing | Sept 23, 1947 00:00 |
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US-2427666-A // Magnetic field strength indicator // Jr. Edwin P. Felch, ; Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Sept 23, 1947 00:00 | US-2427666-A // Magnetic field strength indicator // Jr. Edwin P. Felch, ; Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 2427363.pdf | 384 kB | Shaun Ewing | Sept 16, 1947 00:00 |
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US-2427363-A // Two-tone radio telegraph transmission bias elimination // Matte Andrew L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Sept 16, 1947 00:00 | US-2427363-A // Two-tone radio telegraph transmission bias elimination // Matte Andrew L. // Bell Telephone Labor Inc | ||||
| PDF File 2427348.pdf | 656 kB | Shaun Ewing | Sept 16, 1947 00:00 |
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US-2427348-A // Piezoelectric vibrator // Bond Walter L. ; Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Sept 16, 1947 00:00 | US-2427348-A // Piezoelectric vibrator // Bond Walter L. ; Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2427019.pdf | 433 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427019-A // Indicator operating mechanism // Norwood Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427019-A // Indicator operating mechanism // Norwood Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2427018.pdf | 128 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427018-A // Permanent magnet materials // Nesbitt Ethan A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 128 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427018-A // Permanent magnet materials // Nesbitt Ethan A. // Bell Telephone Labor Inc | ||||
| PDF File 2427014.pdf | 444 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427014-A // Orienting device // Means Winthrop J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427014-A // Orienting device // Means Winthrop J. // Bell Telephone Labor Inc | ||||
| PDF File 2427012.pdf | 189 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427012-A // Sectional telephone stall // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 189 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427012-A // Sectional telephone stall // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 2427005.pdf | 620 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427005-A // Directive microwave antenna // King Archie P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427005-A // Directive microwave antenna // King Archie P. // Bell Telephone Labor Inc | ||||
| PDF File 2427000.pdf | 1.54 MB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2427000-A // Coin-operated telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.54 MB | Shaun Ewing | Sept 09, 1947 00:00 | US-2427000-A // Coin-operated telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2426996.pdf | 378 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2426996-A // Frequency modulation // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2426996-A // Frequency modulation // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2426994.pdf | 700 kB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2426994-A // Sulphur cured unsaturated polyesters // Frosch Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 700 kB | Shaun Ewing | Sept 09, 1947 00:00 | US-2426994-A // Sulphur cured unsaturated polyesters // Frosch Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2426981.pdf | 4.63 MB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2426981-A // Automatic toll ticketing alarm system // Blake Foster B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.63 MB | Shaun Ewing | Sept 09, 1947 00:00 | US-2426981-A // Automatic toll ticketing alarm system // Blake Foster B. // Bell Telephone Labor Inc | ||||
| PDF File 2426658.pdf | 973 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426658-A // Radar tracking device // Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 973 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426658-A // Radar tracking device // Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2426650.pdf | 279 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426650-A // Method of soldering a terminal to a piezoelectric crystal // Sivian Leon J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 279 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426650-A // Method of soldering a terminal to a piezoelectric crystal // Sivian Leon J. // Bell Telephone Labor Inc | ||||
| PDF File 2426649.pdf | 597 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426649-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426649-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2426633.pdf | 487 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426633-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426633-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2426626.pdf | 906 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426626-A // Electron discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426626-A // Electron discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2426622.pdf | 456 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426622-A // Magnetic field detector // Laird Arthur G. ; Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426622-A // Magnetic field detector // Laird Arthur G. ; Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 2426606.pdf | 289 kB | Shaun Ewing | Sept 02, 1947 00:00 |
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US-2426606-A // Automatic follow-up for motor of self-synchronous type // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Sept 02, 1947 00:00 | US-2426606-A // Automatic follow-up for motor of self-synchronous type // Goff Harold W. // Bell Telephone Labor Inc |
