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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2022060.pdf | 456 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022060-A // Acoustic device // Swickard Andrew E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022060-A // Acoustic device // Swickard Andrew E. // Bell Telephone Labor Inc | ||||
| PDF File 2022059.pdf | 183 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022059-A // Terminal strip device // Stockfleth Sigurd J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 183 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022059-A // Terminal strip device // Stockfleth Sigurd J. // Bell Telephone Labor Inc | ||||
| PDF File 2022053.pdf | 532 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022053-A // Combined telephone and telegraph system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022053-A // Combined telephone and telegraph system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2022052.pdf | 434 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022052-A // Belt drive // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022052-A // Belt drive // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2022051.pdf | 664 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022051-A // Interpolating telegraph receiving system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 664 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022051-A // Interpolating telegraph receiving system // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2022030.pdf | 509 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022030-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022030-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2022021.pdf | 417 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022021-A // Cleaning tool // Wheeler Clyde H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022021-A // Cleaning tool // Wheeler Clyde H. // Bell Telephone Labor Inc | ||||
| PDF File 2021920.pdf | 872 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2021920-A // Control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 872 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2021920-A // Control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 2021329.pdf | 970 kB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021329-A // Switching mechanism // Reynolds John N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 970 kB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021329-A // Switching mechanism // Reynolds John N. // Bell Telephone Labor Inc | ||||
| PDF File 2021308.pdf | 1.04 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021308-A // Coin detection system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021308-A // Coin detection system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2021291.pdf | 2.35 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021291-A // Telephone system // Clark Edgar H. ; Scudder Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.35 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021291-A // Telephone system // Clark Edgar H. ; Scudder Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 2021287.pdf | 2.97 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021287-A // Telephone system // Butz Edward D. ; Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.97 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021287-A // Telephone system // Butz Edward D. ; Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2021286.pdf | 3.27 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021286-A // Telephone system // Butz Edward D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.27 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021286-A // Telephone system // Butz Edward D. // Bell Telephone Labor Inc | ||||
| PDF File 2021276.pdf | 262 kB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021276-A // Spring winding machine // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021276-A // Spring winding machine // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2020875.pdf | 1.80 MB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020875-A // Energization and control of amplifiers // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020875-A // Energization and control of amplifiers // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2020488.pdf | 287 kB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020488-A // Telephone system // Walsh John G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020488-A // Telephone system // Walsh John G. // Bell Telephone Labor Inc | ||||
| PDF File 2020487.pdf | 796 kB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020487-A // Electrical signaling // Wadsworth Paul W. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020487-A // Electrical signaling // Wadsworth Paul W. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2020458.pdf | 4.80 MB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020458-A // Telephone system // Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.80 MB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020458-A // Telephone system // Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 2020452.pdf | 1.22 MB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020452-A // Transmission control in signaling systems // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020452-A // Transmission control in signaling systems // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2020318.pdf | 1019 kB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020318-A // System including repeater // Jacobs Oliver B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1019 kB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020318-A // System including repeater // Jacobs Oliver B. // Bell Telephone Labor Inc |
