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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1616499.pdf | 383 kB | Shaun Ewing | Feb 08, 1927 00:00 |
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US-1616499-A // Linear measuring device // Jr. Mark King, // American Telephone & Telegraph | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Feb 08, 1927 00:00 | US-1616499-A // Linear measuring device // Jr. Mark King, // American Telephone & Telegraph | ||||
| PDF File 1616507.pdf | 447 kB | Shaun Ewing | Feb 08, 1927 00:00 |
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US-1616507-A // Means for measuring the margin of operation of telegraph circuits // Pierce Ralph E. // American Telephone & Telegraph | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Feb 08, 1927 00:00 | US-1616507-A // Means for measuring the margin of operation of telegraph circuits // Pierce Ralph E. // American Telephone & Telegraph | ||||
| PDF File 1616892.pdf | 614 kB | Shaun Ewing | Feb 08, 1927 00:00 |
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US-1616892-A // Duplex radio system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 614 kB | Shaun Ewing | Feb 08, 1927 00:00 | US-1616892-A // Duplex radio system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1617467.pdf | 605 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617467-A // Radio signalling system // Uphoff Leslie S. // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617467-A // Radio signalling system // Uphoff Leslie S. // American Telephone & Telegraph | ||||
| PDF File 1617482.pdf | 479 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617482-A // Intermediate telegraph set for duplex lines // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617482-A // Intermediate telegraph set for duplex lines // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1617934.pdf | 957 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617934-A // Carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 957 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617934-A // Carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1617935.pdf | 880 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617935-A // Multiplex telegraphy by phase discrimination // Affel Herman A. ; Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 880 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617935-A // Multiplex telegraphy by phase discrimination // Affel Herman A. ; Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1618193.pdf | 1.33 MB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618193-A // Telegraph system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618193-A // Telegraph system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1618201.pdf | 152 kB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618201-A // Substation circuits // Inglis Alfred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618201-A // Substation circuits // Inglis Alfred H. // American Telephone & Telegraph | ||||
| PDF File 1618242.pdf | 589 kB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618242-A // Time-announcing system // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618242-A // Time-announcing system // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1619058.pdf | 441 kB | Shaun Ewing | Mar 01, 1927 00:00 |
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US-1619058-A // Telephone repeater station // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Mar 01, 1927 00:00 | US-1619058-A // Telephone repeater station // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1619060.pdf | 371 kB | Shaun Ewing | Mar 01, 1927 00:00 |
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US-1619060-A // System of multifrequency circuits // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 371 kB | Shaun Ewing | Mar 01, 1927 00:00 | US-1619060-A // System of multifrequency circuits // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1619085.pdf | 572 kB | Shaun Ewing | Mar 01, 1927 00:00 |
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US-1619085-A // Carrier-current signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Mar 01, 1927 00:00 | US-1619085-A // Carrier-current signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1619882.pdf | 203 kB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1619882-A // Means for transferring high-frequency energy // Ohl Russill S. // American Telephone & Telegraph | |||
| Version 1 (current) | 203 kB | Shaun Ewing | Mar 08, 1927 00:00 | US-1619882-A // Means for transferring high-frequency energy // Ohl Russill S. // American Telephone & Telegraph | ||||
| PDF File 1619891.pdf | 1.31 MB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1619891-A // Echo-suppressor relay // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Mar 08, 1927 00:00 | US-1619891-A // Echo-suppressor relay // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1619897.pdf | 1.00 MB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1619897-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Mar 08, 1927 00:00 | US-1619897-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1620012.pdf | 3.06 MB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1620012-A // Telephone-exchange system // Dunham Bert G. ; Haines William T. // American Telephone & Telegraph ; Western Electric Co | |||
| Version 1 (current) | 3.06 MB | Shaun Ewing | Mar 08, 1927 00:00 | US-1620012-A // Telephone-exchange system // Dunham Bert G. ; Haines William T. // American Telephone & Telegraph ; Western Electric Co | ||||
| PDF File 1620733.pdf | 736 kB | Shaun Ewing | Mar 15, 1927 00:00 |
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US-1620733-A // Telephone system // Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Mar 15, 1927 00:00 | US-1620733-A // Telephone system // Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 1621480.pdf | 611 kB | Shaun Ewing | Mar 15, 1927 00:00 |
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US-1621480-A // Testing system // Ewing Claude // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Mar 15, 1927 00:00 | US-1621480-A // Testing system // Ewing Claude // American Telephone & Telegraph | ||||
| PDF File 1621530.pdf | 142 kB | Shaun Ewing | Mar 22, 1927 00:00 |
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US-1621530-A // Dead-ending clamp // Fitzpatrick Paul G. // American Telephone & Telegraph | |||
| Version 1 (current) | 142 kB | Shaun Ewing | Mar 22, 1927 00:00 | US-1621530-A // Dead-ending clamp // Fitzpatrick Paul G. // American Telephone & Telegraph |
