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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2126265.pdf | 1.21 MB | Shaun Ewing | Aug 09, 1938 00:00 |
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US-2126265-A // Phasing and synchronizing of signaling apparatus // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126265-A // Phasing and synchronizing of signaling apparatus // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2125317.pdf | 438 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125317-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125317-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2125316.pdf | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2125315.pdf | 313 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125315-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 313 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125315-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2125280.pdf | 460 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125280-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125280-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2125279.pdf | 416 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125279-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125279-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2124596.pdf | 1.60 MB | Shaun Ewing | Jul 26, 1938 00:00 |
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US-2124596-A // Piezoelectric crystal apparatus // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Jul 26, 1938 00:00 | US-2124596-A // Piezoelectric crystal apparatus // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2123455.pdf | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | ||||
| PDF File 2123241.pdf | 752 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123241-A // Electric wave amplifier // Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123241-A // Electric wave amplifier // Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 2123236.pdf | 754 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123236-A // Crystal holder // Fair Irvin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123236-A // Crystal holder // Fair Irvin E. // Bell Telephone Labor Inc | ||||
| PDF File 2123232.pdf | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2123229.pdf | 2.18 MB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123229-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.18 MB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123229-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2123228.pdf | 2.04 MB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123228-A // Selector switch // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123228-A // Selector switch // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 2123227.pdf | 531 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123227-A // Piezoelectric device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 531 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123227-A // Piezoelectric device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2123178.pdf | 2.05 MB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123178-A // Amplifier // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.05 MB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123178-A // Amplifier // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2123177.pdf | 362 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123177-A // Acoustic device // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123177-A // Acoustic device // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2122495.pdf | 1.40 MB | Shaun Ewing | Jul 05, 1938 00:00 |
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US-2122495-A // Magnetron oscillator // Scott Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Jul 05, 1938 00:00 | US-2122495-A // Magnetron oscillator // Scott Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 2122463.pdf | 303 kB | Shaun Ewing | Jul 05, 1938 00:00 |
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US-2122463-A // Method of enameling wire // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Jul 05, 1938 00:00 | US-2122463-A // Method of enameling wire // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2122458.pdf | 858 kB | Shaun Ewing | Jul 05, 1938 00:00 |
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US-2122458-A // Film sprocket // Elmer Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 858 kB | Shaun Ewing | Jul 05, 1938 00:00 | US-2122458-A // Film sprocket // Elmer Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 2121419.pdf | 3.19 MB | Shaun Ewing | Jun 21, 1938 00:00 |
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US-2121419-A // Call distributing telephone system // Blake Foster B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.19 MB | Shaun Ewing | Jun 21, 1938 00:00 | US-2121419-A // Call distributing telephone system // Blake Foster B. // Bell Telephone Labor Inc |
