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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1860446.pdf | 1.20 MB | Shaun Ewing | May 31, 1932 00:00 |
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US-1860446-A // Signaling system // Bailey Rand S. ; Newby Neal D. ; Moody Dwight L. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | May 31, 1932 00:00 | US-1860446-A // Signaling system // Bailey Rand S. ; Newby Neal D. ; Moody Dwight L. // American Telephone & Telegraph | ||||
| PDF File 1860007.pdf | 311 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1860007-A // Telephone office alarm circuit // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 311 kB | Shaun Ewing | May 24, 1932 00:00 | US-1860007-A // Telephone office alarm circuit // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1859498.pdf | 727 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859498-A // Vacuum tube control system // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 727 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859498-A // Vacuum tube control system // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1859404.pdf | 1.09 MB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859404-A // Telephone exchange system // Mcdavitt Marcellus B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | May 24, 1932 00:00 | US-1859404-A // Telephone exchange system // Mcdavitt Marcellus B. // American Telephone & Telegraph | ||||
| PDF File 1859390.pdf | 445 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859390-A // Concentric conductor system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 445 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859390-A // Concentric conductor system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1859386.pdf | 488 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859386-A // Telephone system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 488 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859386-A // Telephone system // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1859385.pdf | 568 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859385-A // Telephone system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859385-A // Telephone system // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1858364.pdf | 832 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1858364-A // Multiple slide wire potentiometer // Jr. Walter Koenig, // American Telephone & Telegraph | |||
| Version 1 (current) | 832 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858364-A // Multiple slide wire potentiometer // Jr. Walter Koenig, // American Telephone & Telegraph | ||||
| PDF File 1858350.pdf | 408 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1858350-A // Printing telegraph system // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858350-A // Printing telegraph system // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1858339.pdf | 374 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1858339-A // Piezo electric oscillator // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 374 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858339-A // Piezo electric oscillator // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1858338.pdf | 407 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1858338-A // Means for compensating for nonlinear distortion in transmission circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 407 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858338-A // Means for compensating for nonlinear distortion in transmission circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1858307.pdf | 570 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1858307-A // Means for compensating for nonlinear distortion in transmission circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 570 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858307-A // Means for compensating for nonlinear distortion in transmission circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1857259.pdf | 1.12 MB | Shaun Ewing | May 10, 1932 00:00 |
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US-1857259-A // Transmission system // Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | May 10, 1932 00:00 | US-1857259-A // Transmission system // Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1857258.pdf | 683 kB | Shaun Ewing | May 10, 1932 00:00 |
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US-1857258-A // Transmission system // Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 683 kB | Shaun Ewing | May 10, 1932 00:00 | US-1857258-A // Transmission system // Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1857238.pdf | 402 kB | Shaun Ewing | May 10, 1932 00:00 |
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US-1857238-A // Transmission system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 402 kB | Shaun Ewing | May 10, 1932 00:00 | US-1857238-A // Transmission system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1856224.pdf | 889 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856224-A // Telegraph communication system // Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 889 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856224-A // Telegraph communication system // Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1856213.pdf | 415 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856213-A // Radio receiving apparatus // Hamilton Baxter P. ; Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 415 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856213-A // Radio receiving apparatus // Hamilton Baxter P. ; Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1856204.pdf | 462 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856204-A // Coaxial conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856204-A // Coaxial conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1856202.pdf | 967 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856202-A // Testing apparatus // Wilson Leon T. // American Telephone & Telegraph | |||
| Version 1 (current) | 967 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856202-A // Testing apparatus // Wilson Leon T. // American Telephone & Telegraph | ||||
| PDF File 1855321.pdf | 217 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855321-A // Gas pressure alarm system for toll cables // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 217 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855321-A // Gas pressure alarm system for toll cables // Shackleton Samuel P. // American Telephone & Telegraph |