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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2183945.pdf | 659 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183945-A // Grounding device for coaxial conductor lines // Schreiner Louis R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 659 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183945-A // Grounding device for coaxial conductor lines // Schreiner Louis R. // Bell Telephone Labor Inc | ||||
| PDF File 2183941.pdf | 490 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183941-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183941-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2183713.pdf | 934 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183713-A // Call transmitter // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 934 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183713-A // Call transmitter // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2183708.pdf | 654 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183708-A // Signaling system // Cummings George C. ; Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183708-A // Signaling system // Cummings George C. ; Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2183655.pdf | 394 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183655-A // Means for adjusting vibrating systems // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183655-A // Means for adjusting vibrating systems // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2183399.pdf | 1.28 MB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183399-A // Ultra-short wave altimeter for aircraft // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183399-A // Ultra-short wave altimeter for aircraft // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2183389.pdf | 685 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183389-A // Indicating circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183389-A // Indicating circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2183204.pdf | 739 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183204-A // Electro-optical system // Reynolds Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183204-A // Electro-optical system // Reynolds Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 2183140.pdf | 682 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183140-A // Cross-talk measuring and correcting apparatus // Hochgraf Lester // Bell Telephone Labor Inc | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183140-A // Cross-talk measuring and correcting apparatus // Hochgraf Lester // Bell Telephone Labor Inc | ||||
| PDF File 2183123.pdf | 1.34 MB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183123-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183123-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2182968.pdf | 496 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2182968-A // Method of making electrical connections // Lunsford Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2182968-A // Method of making electrical connections // Lunsford Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2182885.pdf | 302 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2182885-A // Cable supporting device // John Everett St. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2182885-A // Cable supporting device // John Everett St. // Bell Telephone Labor Inc | ||||
| PDF File 2182841.pdf | 924 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2182841-A // Reduction of distortion in signal transmission systems // Davey James R. ; Hysko John L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 924 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2182841-A // Reduction of distortion in signal transmission systems // Davey James R. ; Hysko John L. // Bell Telephone Labor Inc | ||||
| PDF File 2182340.pdf | 356 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2182340-A // Signaling system // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2182340-A // Signaling system // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2182337.pdf | 629 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2182337-A // Transmission system // Green Estill I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2182337-A // Transmission system // Green Estill I. // Bell Telephone Labor Inc | ||||
| PDF File 2182330.pdf | 506 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2182330-A // Method of fabricating tubular structures // Windeler Alfred S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2182330-A // Method of fabricating tubular structures // Windeler Alfred S. // Bell Telephone Labor Inc | ||||
| PDF File 2182076.pdf | 1.03 MB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2182076-A // Viscous dampener // Elmer Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Dec 05, 1939 00:00 | US-2182076-A // Viscous dampener // Elmer Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 2181910.pdf | 525 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2181910-A // Wave amplification // Peterson Liss C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 525 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2181910-A // Wave amplification // Peterson Liss C. // Bell Telephone Labor Inc | ||||
| PDF File 2181909.pdf | 391 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2181909-A // Negative impedance circuit // Peterson Liss C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 391 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2181909-A // Negative impedance circuit // Peterson Liss C. // Bell Telephone Labor Inc | ||||
| PDF File 2181865.pdf | 762 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2181865-A // Multigrid tube amplifier // Black Knox C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2181865-A // Multigrid tube amplifier // Black Knox C. // Bell Telephone Labor Inc |