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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1675874.pdf | 385 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675874-A // Amplifying electrical variations // Baumann Harold C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675874-A // Amplifying electrical variations // Baumann Harold C. // Bell Telephone Labor Inc | ||||
| PDF File 1675096.pdf | 829 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1675096-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1675096-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1673828.pdf | 350 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673828-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673828-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1673124.pdf | 252 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673124-A // Signaling system // Raynsford Arthur // Bell Telephone Labor Inc | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673124-A // Signaling system // Raynsford Arthur // Bell Telephone Labor Inc | ||||
| PDF File 1673042.pdf | 1004 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673042-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1004 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673042-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1673037.pdf | 309 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673037-A // Sound measuring // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 309 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673037-A // Sound measuring // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 1673034.pdf | 319 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673034-A // Connecter // Jr. William J. Adams, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673034-A // Connecter // Jr. William J. Adams, // Bell Telephone Labor Inc | ||||
| PDF File 1673031.pdf | 459 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673031-A // Wave transmission system // Whiting Donald F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673031-A // Wave transmission system // Whiting Donald F. // Bell Telephone Labor Inc | ||||
| PDF File 1673023.pdf | 421 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673023-A // Carrier-wave repeater // Rettenmeyer Francis X. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673023-A // Carrier-wave repeater // Rettenmeyer Francis X. // Bell Telephone Labor Inc | ||||
| PDF File 1673015.pdf | 356 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673015-A // Switching system // Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673015-A // Switching system // Murphy Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 1673005.pdf | 277 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673005-A // Condenser // Gargan John O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 277 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673005-A // Condenser // Gargan John O. // Bell Telephone Labor Inc | ||||
| PDF File 1671302.pdf | 769 kB | Shaun Ewing | May 29, 1928 00:00 |
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US-1671302-A // Electrooptical transmission // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 769 kB | Shaun Ewing | May 29, 1928 00:00 | US-1671302-A // Electrooptical transmission // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1670461.pdf | 899 kB | Shaun Ewing | May 22, 1928 00:00 |
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US-1670461-A // Signaling system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 899 kB | Shaun Ewing | May 22, 1928 00:00 | US-1670461-A // Signaling system // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 1668890.pdf | 225 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668890-A // Universal adjustable earpiece for audiphones // Curran Stanley T. ; Jr. Emil C. Mueller, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 225 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668890-A // Universal adjustable earpiece for audiphones // Curran Stanley T. ; Jr. Emil C. Mueller, // Bell Telephone Labor Inc | ||||
| PDF File 1668888.pdf | 898 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668888-A // Signaling system // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 898 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668888-A // Signaling system // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 1668677.pdf | 242 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668677-A // Telephone-exchange system // Harvey William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 242 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668677-A // Telephone-exchange system // Harvey William H. // Bell Telephone Labor Inc | ||||
| PDF File 1668656.pdf | 346 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668656-A // Relay circuit // Phelps Walter Alfred // Bell Telephones Lab Inc | |||
| Version 1 (current) | 346 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668656-A // Relay circuit // Phelps Walter Alfred // Bell Telephones Lab Inc | ||||
| PDF File 1668654.pdf | 337 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668654-A // Direct-current-transforming apparatus // Moore Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 337 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668654-A // Direct-current-transforming apparatus // Moore Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 1667846.pdf | 967 kB | Shaun Ewing | May 01, 1928 00:00 |
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US-1667846-A // Telephone system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 967 kB | Shaun Ewing | May 01, 1928 00:00 | US-1667846-A // Telephone system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1667845.pdf | 1.05 MB | Shaun Ewing | May 01, 1928 00:00 |
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US-1667845-A // Telephone system // Fowler Clarence B. ; Lucek Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | May 01, 1928 00:00 | US-1667845-A // Telephone system // Fowler Clarence B. ; Lucek Charles W. // Bell Telephone Labor Inc |
