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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2222652.pdf | 217 kB | Shaun Ewing | Nov 26, 1940 00:00 |
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US-2222652-A // Method of suspending aerial cables // Carr James A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 217 kB | Shaun Ewing | Nov 26, 1940 00:00 | US-2222652-A // Method of suspending aerial cables // Carr James A. // Bell Telephone Labor Inc | ||||
| PDF File 2222425.pdf | 777 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2222425-A // Magnetic structure // Wehe Herman G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 777 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2222425-A // Magnetic structure // Wehe Herman G. // Bell Telephone Labor Inc | ||||
| PDF File 2222417.pdf | 772 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2222417-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2222417-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2222248.pdf | 293 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2222248-A // Ringing system // Blount Frank E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 293 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2222248-A // Ringing system // Blount Frank E. // Bell Telephone Labor Inc | ||||
| PDF File 2221956.pdf | 374 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2221956-A // Sound recording compositions // Schuh Arthur E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2221956-A // Sound recording compositions // Schuh Arthur E. // Bell Telephone Labor Inc | ||||
| PDF File 2221833.pdf | 352 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2221833-A // System for measuring contact rebounding // Cory Samuel I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2221833-A // System for measuring contact rebounding // Cory Samuel I. // Bell Telephone Labor Inc | ||||
| PDF File 2221390.pdf | 298 kB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2221390-A // Apparatus for and a method of making coils // Thompson William J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Nov 12, 1940 00:00 | US-2221390-A // Apparatus for and a method of making coils // Thompson William J. // Bell Telephone Labor Inc | ||||
| PDF File 2220942.pdf | 1.53 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2220942-A // Acoustic device // Morrison Louis A. ; Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.53 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2220942-A // Acoustic device // Morrison Louis A. ; Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2220931.pdf | 9.39 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2220931-A // Telegraph system // Krecek Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.39 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2220931-A // Telegraph system // Krecek Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2220889.pdf | 1.31 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2220889-A // Communication system // Cole Ira E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2220889-A // Communication system // Cole Ira E. // Bell Telephone Labor Inc | ||||
| PDF File 2220883.pdf | 1.22 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2220883-A // Circuit controller // Gerger Uriah S. ; Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2220883-A // Circuit controller // Gerger Uriah S. ; Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2220168.pdf | 302 kB | Shaun Ewing | Nov 05, 1940 00:00 |
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US-2220168-A // Coin collection apparatus // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Nov 05, 1940 00:00 | US-2220168-A // Coin collection apparatus // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 2220143.pdf | 702 kB | Shaun Ewing | Nov 05, 1940 00:00 |
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US-2220143-A // Electromagnetic switching device // Buch Peter E. ; Knowlton Clarence S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 702 kB | Shaun Ewing | Nov 05, 1940 00:00 | US-2220143-A // Electromagnetic switching device // Buch Peter E. ; Knowlton Clarence S. // Bell Telephone Labor Inc | ||||
| PDF File 2220088.pdf | 528 kB | Shaun Ewing | Nov 05, 1940 00:00 |
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US-2220088-A // Reed type voice frequency generator // Dowey Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Nov 05, 1940 00:00 | US-2220088-A // Reed type voice frequency generator // Dowey Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2219751.pdf | 825 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219751-A // Single side band diversity radio receiving system // Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 825 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219751-A // Single side band diversity radio receiving system // Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2219749.pdf | 734 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219749-A // Single side band diversity radio receiving system // Oswald Arthur A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219749-A // Single side band diversity radio receiving system // Oswald Arthur A. // Bell Telephone Labor Inc | ||||
| PDF File 2219459.pdf | 876 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219459-A // Power plant // Spencer Harry H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 876 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219459-A // Power plant // Spencer Harry H. // Bell Telephone Labor Inc | ||||
| PDF File 2219451.pdf | 402 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219451-A // Locking device // Mccormick Charles G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219451-A // Locking device // Mccormick Charles G. // Bell Telephone Labor Inc | ||||
| PDF File 2219365.pdf | 403 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219365-A // Electrical resistance device and method of manufacture thereof // Janssen William F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 403 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219365-A // Electrical resistance device and method of manufacture thereof // Janssen William F. // Bell Telephone Labor Inc | ||||
| PDF File 2219189.pdf | 358 kB | Shaun Ewing | Oct 22, 1940 00:00 |
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US-2219189-A // Frequency selective amplifier // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 358 kB | Shaun Ewing | Oct 22, 1940 00:00 | US-2219189-A // Frequency selective amplifier // Lundstrom Alexis A. // Bell Telephone Labor Inc |