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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2161376.pdf | 5.08 MB | Shaun Ewing | Jun 06, 1939 00:00 |
|
US-2161376-A // Telephone system // Moody Dwight Lyman ; Newby Neal Dow ; Shipley Frank Foster // American Telephone & Telegraph | |||
| Version 1 (current) | 5.08 MB | Shaun Ewing | Jun 06, 1939 00:00 | US-2161376-A // Telephone system // Moody Dwight Lyman ; Newby Neal Dow ; Shipley Frank Foster // American Telephone & Telegraph | ||||
| PDF File 2163195.pdf | 632 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
US-2163195-A // Mechanical relay // Edwards Paul Griffith // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163195-A // Mechanical relay // Edwards Paul Griffith // American Telephone & Telegraph | ||||
| PDF File 2163221.pdf | 205 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
US-2163221-A // Manhole structure // Slocum Harvey Francis // American Telephone & Telegraph | |||
| Version 1 (current) | 205 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163221-A // Manhole structure // Slocum Harvey Francis // American Telephone & Telegraph | ||||
| PDF File 2165883.pdf | 256 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165883-A // Wire wrapping tool // Carter Irving G. // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165883-A // Wire wrapping tool // Carter Irving G. // American Telephone & Telegraph | ||||
| PDF File 2165892.pdf | 646 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165892-A // Multiplex telemetering system // Green Estill Ibbotson ; Tidd Warren Hitchcock // American Telephone & Telegraph | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165892-A // Multiplex telemetering system // Green Estill Ibbotson ; Tidd Warren Hitchcock // American Telephone & Telegraph | ||||
| PDF File 2170038.pdf | 1.17 MB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170038-A // Telephone and telegraph exchange system // Singer Fred John // American Telephone & Telegraph | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170038-A // Telephone and telegraph exchange system // Singer Fred John // American Telephone & Telegraph | ||||
| PDF File 2171542.pdf | 1.56 MB | Shaun Ewing | Sept 05, 1939 00:00 |
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US-2171542-A // Telegraph system // Cunningham Harold Jerome ; Douglass Lloyd Richmond ; Duncan James Archibald ; Walker Charles Robert // American Telephone & Telegraph | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Sept 05, 1939 00:00 | US-2171542-A // Telegraph system // Cunningham Harold Jerome ; Douglass Lloyd Richmond ; Duncan James Archibald ; Walker Charles Robert // American Telephone & Telegraph | ||||
| PDF File 2172913.pdf | 514 kB | Shaun Ewing | Sept 12, 1939 00:00 |
|
US-2172913-A // Paper-feeding device // Rose Claude C. // American Telephone & Telegraph | |||
| Version 1 (current) | 514 kB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172913-A // Paper-feeding device // Rose Claude C. // American Telephone & Telegraph | ||||
| PDF File 2173327.pdf | 256 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173327-A // Method of repairing cable terminal binding posts // Channell James W. // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173327-A // Method of repairing cable terminal binding posts // Channell James W. // American Telephone & Telegraph | ||||
| PDF File 2173335.pdf | 582 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173335-A // Telegraph exchange system // Kinkead Fullerton S. ; Singer Fred J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173335-A // Telegraph exchange system // Kinkead Fullerton S. ; Singer Fred J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2175388.pdf | 540 kB | Shaun Ewing | Oct 10, 1939 00:00 |
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US-2175388-A // Picture broadcasting system // Gurley Roger Knight // American Telephone & Telegraph | |||
| Version 1 (current) | 540 kB | Shaun Ewing | Oct 10, 1939 00:00 | US-2175388-A // Picture broadcasting system // Gurley Roger Knight // American Telephone & Telegraph | ||||
| PDF File 2181668.pdf | 321 kB | Shaun Ewing | Nov 28, 1939 00:00 |
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US-2181668-A // Telephone switchboard // Peterson George Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Nov 28, 1939 00:00 | US-2181668-A // Telephone switchboard // Peterson George Harry // American Telephone & Telegraph | ||||
| PDF File 2184907.pdf | 380 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184907-A // Telephone ringing system // Jr. James Campbell, // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184907-A // Telephone ringing system // Jr. James Campbell, // American Telephone & Telegraph | ||||
| PDF File 2184912.pdf | 790 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184912-A // Cable and wire laying machine // Freeman Albert Edward ; Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184912-A // Cable and wire laying machine // Freeman Albert Edward ; Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 2184916.pdf | 545 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184916-A // Start-stop printing telegraph system // Howle Louis Wells // American Telephone & Telegraph | |||
| Version 1 (current) | 545 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184916-A // Start-stop printing telegraph system // Howle Louis Wells // American Telephone & Telegraph | ||||
| PDF File 2189102.pdf | 1.08 MB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189102-A // Printing telegraph apparatus // Wolfe Donald Fraser De // American Telephone & Telegraph | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189102-A // Printing telegraph apparatus // Wolfe Donald Fraser De // American Telephone & Telegraph | ||||
| PDF File 2189110.pdf | 679 kB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189110-A // Voltage recording device // Honaman Richard Karl ; Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189110-A // Voltage recording device // Honaman Richard Karl ; Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2189111.pdf | 636 kB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189111-A // Signal measuring system // Hughes Samuel Bettle // American Telephone & Telegraph | |||
| Version 1 (current) | 636 kB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189111-A // Signal measuring system // Hughes Samuel Bettle // American Telephone & Telegraph | ||||
| PDF File 2189119.pdf | 604 kB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189119-A // Signal measuring system // Schluter John Jonathan // American Telephone & Telegraph | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189119-A // Signal measuring system // Schluter John Jonathan // American Telephone & Telegraph | ||||
| PDF File 2190540.pdf | 1.99 MB | Shaun Ewing | Feb 13, 1940 00:00 |
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US-2190540-A // Printing telegraph system // Desmond James Michael // American Telephone & Telegraph | |||
| Version 1 (current) | 1.99 MB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190540-A // Printing telegraph system // Desmond James Michael // American Telephone & Telegraph |
