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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1836106.pdf | 959 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836106-A // Overflow jack circuit // Broe Edgar P. // American Telephone & Telegraph | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836106-A // Overflow jack circuit // Broe Edgar P. // American Telephone & Telegraph | ||||
| PDF File 1835099.pdf | 963 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835099-A // Valve commutator and its use in multiplex signaling // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 963 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835099-A // Valve commutator and its use in multiplex signaling // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1835080.pdf | 532 kB | Shaun Ewing | Dec 08, 1931 00:00 |
|
US-1835080-A // Transmission regulation in cable circuits // Pfleger Kenneth W. // American Telephone & Telegraph | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835080-A // Transmission regulation in cable circuits // Pfleger Kenneth W. // American Telephone & Telegraph | ||||
| PDF File 1835031.pdf | 2.41 MB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835031-A // Concentric conducting system // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.41 MB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835031-A // Concentric conducting system // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1835003.pdf | 463 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835003-A // Telephone system // Bisbee Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835003-A // Telephone system // Bisbee Frederick C. // American Telephone & Telegraph | ||||
| PDF File 1834992.pdf | 587 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1834992-A // Device for producing modulated currents // Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1834992-A // Device for producing modulated currents // Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1834005.pdf | 495 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1834005-A // Selective circuit arrangement // Roberts Leland C. // American Telephone & Telegraph | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1834005-A // Selective circuit arrangement // Roberts Leland C. // American Telephone & Telegraph | ||||
| PDF File 1834002.pdf | 975 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1834002-A // Distortion neutralizing repeater // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 975 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1834002-A // Distortion neutralizing repeater // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1833968.pdf | 771 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1833968-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1833968-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1833966.pdf | 370 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1833966-A // Multiplex system // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1833966-A // Multiplex system // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1833958.pdf | 972 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1833958-A // Telegraph signal recording system // Watson Edward F. ; Mccann Thomas A. // American Telephone & Telegraph | |||
| Version 1 (current) | 972 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1833958-A // Telegraph signal recording system // Watson Edward F. ; Mccann Thomas A. // American Telephone & Telegraph | ||||
| PDF File 1833000.pdf | 414 kB | Shaun Ewing | Nov 24, 1931 00:00 |
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US-1833000-A // Selective signaling system // Shafer William L. // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Nov 24, 1931 00:00 | US-1833000-A // Selective signaling system // Shafer William L. // American Telephone & Telegraph | ||||
| PDF File 1832996.pdf | 228 kB | Shaun Ewing | Nov 24, 1931 00:00 |
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US-1832996-A // Grade clamp // Percival Harry S. ; Bartlett Henry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 228 kB | Shaun Ewing | Nov 24, 1931 00:00 | US-1832996-A // Grade clamp // Percival Harry S. ; Bartlett Henry H. // American Telephone & Telegraph | ||||
| PDF File 1832981.pdf | 389 kB | Shaun Ewing | Nov 24, 1931 00:00 |
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US-1832981-A // System for building out loading sections of signaling cables // Haislip Richard A. // American Telephone & Telegraph | |||
| Version 1 (current) | 389 kB | Shaun Ewing | Nov 24, 1931 00:00 | US-1832981-A // System for building out loading sections of signaling cables // Haislip Richard A. // American Telephone & Telegraph | ||||
| PDF File 1832977.pdf | 258 kB | Shaun Ewing | Nov 24, 1931 00:00 |
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US-1832977-A // Multiple way connection for a plurality of lines // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 258 kB | Shaun Ewing | Nov 24, 1931 00:00 | US-1832977-A // Multiple way connection for a plurality of lines // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1832969.pdf | 386 kB | Shaun Ewing | Nov 24, 1931 00:00 |
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US-1832969-A // Testing system // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | |||
| Version 1 (current) | 386 kB | Shaun Ewing | Nov 24, 1931 00:00 | US-1832969-A // Testing system // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | ||||
| PDF File 1831931.pdf | 1.14 MB | Shaun Ewing | Nov 17, 1931 00:00 |
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US-1831931-A // Telephone system // Stern Arthur B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Nov 17, 1931 00:00 | US-1831931-A // Telephone system // Stern Arthur B. // American Telephone & Telegraph | ||||
| PDF File 1831922.pdf | 584 kB | Shaun Ewing | Nov 17, 1931 00:00 |
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US-1831922-A // Telephone exchange system // Mcdavitt Marcellus B. ; Jr. Paul C. Schwantes, // American Telephone & Telegraph | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1831922-A // Telephone exchange system // Mcdavitt Marcellus B. ; Jr. Paul C. Schwantes, // American Telephone & Telegraph | ||||
| PDF File 1831921.pdf | 368 kB | Shaun Ewing | Nov 17, 1931 00:00 |
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US-1831921-A // Short wave radio antenna system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1831921-A // Short wave radio antenna system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1831901.pdf | 413 kB | Shaun Ewing | Nov 17, 1931 00:00 |
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US-1831901-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1831901-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph |
