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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2265042.pdf | 379 kB | Shaun Ewing | Dec 02, 1941 00:00 |
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US-2265042-A // Attenuation equalizer // Lundry Walter R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 379 kB | Shaun Ewing | Dec 02, 1941 00:00 | US-2265042-A // Attenuation equalizer // Lundry Walter R. // Bell Telephone Labor Inc | ||||
| PDF File 2265223.pdf | 777 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265223-A // Service observing set // Brown Horatio G. W. ; Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 777 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265223-A // Service observing set // Brown Horatio G. W. ; Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2265224.pdf | 725 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265224-A // Relay circuit // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265224-A // Relay circuit // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2265292.pdf | 480 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265292-A // Method and apparatus for testing telephone transmitters // Krebs Luther E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265292-A // Method and apparatus for testing telephone transmitters // Krebs Luther E. // Bell Telephone Labor Inc | ||||
| PDF File 2265831.pdf | 630 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265831-A // Method and apparatus for magnetic recording // Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265831-A // Method and apparatus for magnetic recording // Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2265844.pdf | 1.22 MB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265844-A // Calling line identification circuit // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265844-A // Calling line identification circuit // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 2265846.pdf | 332 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265846-A // Swivel connector // Krantz Hubert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265846-A // Swivel connector // Krantz Hubert K. // Bell Telephone Labor Inc | ||||
| PDF File 2266168.pdf | 735 kB | Shaun Ewing | Dec 16, 1941 00:00 |
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US-2266168-A // Amplifier // Crabtree Theodore H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Dec 16, 1941 00:00 | US-2266168-A // Amplifier // Crabtree Theodore H. // Bell Telephone Labor Inc | ||||
| PDF File 2267268.pdf | 971 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267268-A // High frequency transmission system // Burrows Charles R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 971 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267268-A // High frequency transmission system // Burrows Charles R. // Bell Telephone Labor Inc | ||||
| PDF File 2267286.pdf | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2267364.pdf | 316 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267364-A // Seal for circuit controlling devices // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267364-A // Seal for circuit controlling devices // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2267450.pdf | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2267544.pdf | 312 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267544-A // Optical element // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267544-A // Optical element // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2267545.pdf | 608 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267545-A // Light valve // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267545-A // Light valve // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2267557.pdf | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | ||||
| PDF File 2267579.pdf | 705 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267579-A // One way at the time repeater // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267579-A // One way at the time repeater // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2267622.pdf | 929 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267622-A // Voice-operated switching circuit for two-way telephony // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 929 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267622-A // Voice-operated switching circuit for two-way telephony // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2267808.pdf | 528 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267808-A // Electromagnetic device // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267808-A // Electromagnetic device // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2267827.pdf | 1.20 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267827-A // Electric signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267827-A // Electric signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2267936.pdf | 524 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267936-A // Impulse code converter // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267936-A // Impulse code converter // Marrison Warren A. // Bell Telephone Labor Inc |
