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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1646354.pdf | 383 kB | Shaun Ewing | Oct 18, 1927 00:00 |
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US-1646354-A // Synchronizing clocks over simplex circuits having central-battery telephone signaling // Drake Herbert W. // Western Union Telegraph Co | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Oct 18, 1927 00:00 | US-1646354-A // Synchronizing clocks over simplex circuits having central-battery telephone signaling // Drake Herbert W. // Western Union Telegraph Co | ||||
| PDF File 1644262.pdf | 357 kB | Shaun Ewing | Oct 04, 1927 00:00 |
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US-1644262-A // Gummed-tape-affixing device // Mason Roger // Western Union Telegraph Co | |||
| Version 1 (current) | 357 kB | Shaun Ewing | Oct 04, 1927 00:00 | US-1644262-A // Gummed-tape-affixing device // Mason Roger // Western Union Telegraph Co | ||||
| PDF File 1640541.pdf | 448 kB | Shaun Ewing | Aug 30, 1927 00:00 |
|
US-1640541-A // Telegraph transmitter // Fluharty William G. // Western Union Telegraph Co | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Aug 30, 1927 00:00 | US-1640541-A // Telegraph transmitter // Fluharty William G. // Western Union Telegraph Co | ||||
| PDF File 1640325.pdf | 588 kB | Shaun Ewing | Aug 23, 1927 00:00 |
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US-1640325-A // Messenger-call circuits and switching apparatus therefor // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 588 kB | Shaun Ewing | Aug 23, 1927 00:00 | US-1640325-A // Messenger-call circuits and switching apparatus therefor // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 1636784.pdf | 473 kB | Shaun Ewing | Jul 26, 1927 00:00 |
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US-1636784-A // Phase correction in synchronous telegraph systems // Parker Leighland F. ; Bramhall Fay B. // Western Union Telegraph Co | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Jul 26, 1927 00:00 | US-1636784-A // Phase correction in synchronous telegraph systems // Parker Leighland F. ; Bramhall Fay B. // Western Union Telegraph Co | ||||
| PDF File 1629466.pdf | 567 kB | Shaun Ewing | May 24, 1927 00:00 |
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US-1629466-A // Receiving perforator // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 567 kB | Shaun Ewing | May 24, 1927 00:00 | US-1629466-A // Receiving perforator // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 1626534.pdf | 713 kB | Shaun Ewing | Apr 26, 1927 00:00 |
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US-1626534-A // Regenerative rotary repeater // Howard Albert H. // Western Union Telegraph Co | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Apr 26, 1927 00:00 | US-1626534-A // Regenerative rotary repeater // Howard Albert H. // Western Union Telegraph Co | ||||
| PDF File 1624930.pdf | 271 kB | Shaun Ewing | Apr 19, 1927 00:00 |
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US-1624930-A // Wood preservative // Curtin Leo P. // Western Union Telegraph Co | |||
| Version 1 (current) | 271 kB | Shaun Ewing | Apr 19, 1927 00:00 | US-1624930-A // Wood preservative // Curtin Leo P. // Western Union Telegraph Co | ||||
| PDF File 1620152.pdf | 424 kB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1620152-A // Method of preserving wood and solutions therefor // Curtin Leo P. // Western Union Telegraph Co | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Mar 08, 1927 00:00 | US-1620152-A // Method of preserving wood and solutions therefor // Curtin Leo P. // Western Union Telegraph Co | ||||
| PDF File 1617993.pdf | 431 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617993-A // Multiplex-channel repeater system // Dudley William A. ; Duerr Karl B. // Western Union Telegraph Co | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617993-A // Multiplex-channel repeater system // Dudley William A. ; Duerr Karl B. // Western Union Telegraph Co | ||||
| PDF File 1616326.pdf | 914 kB | Shaun Ewing | Feb 01, 1927 00:00 |
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US-1616326-A // Telegraph system // Nelson Crescent F. // Western Union Telegraph Co | |||
| Version 1 (current) | 914 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1616326-A // Telegraph system // Nelson Crescent F. // Western Union Telegraph Co | ||||
| PDF File 1607473.pdf | 498 kB | Shaun Ewing | Nov 16, 1926 00:00 |
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US-1607473-A // Duplexing loaded submarine cable // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Nov 16, 1926 00:00 | US-1607473-A // Duplexing loaded submarine cable // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 1599382.pdf | 761 kB | Shaun Ewing | Sept 07, 1926 00:00 |
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US-1599382-A // Amplifying telegraphic signals // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 761 kB | Shaun Ewing | Sept 07, 1926 00:00 | US-1599382-A // Amplifying telegraphic signals // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 1598448.pdf | 941 kB | Shaun Ewing | Aug 31, 1926 00:00 |
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US-1598448-A // Telegraph system // Peterman William C. // Western Union Telegraph Co | |||
| Version 1 (current) | 941 kB | Shaun Ewing | Aug 31, 1926 00:00 | US-1598448-A // Telegraph system // Peterman William C. // Western Union Telegraph Co | ||||
| PDF File 1584684.pdf | 248 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1584684-A // Duplex system of telegraphy // Drake Herbert W. // Western Union Telegraph Co | |||
| Version 1 (current) | 248 kB | Shaun Ewing | May 11, 1926 00:00 | US-1584684-A // Duplex system of telegraphy // Drake Herbert W. // Western Union Telegraph Co | ||||
| PDF File 1584683.pdf | 337 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1584683-A // Plural duplex system of telegraphy // D'Humy Fernand E. // Western Union Telegraph Co | |||
| Version 1 (current) | 337 kB | Shaun Ewing | May 11, 1926 00:00 | US-1584683-A // Plural duplex system of telegraphy // D'Humy Fernand E. // Western Union Telegraph Co | ||||
| PDF File 1584682.pdf | 337 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1584682-A // Duplex telegraph system // Atherton Albert ; Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 337 kB | Shaun Ewing | May 11, 1926 00:00 | US-1584682-A // Duplex telegraph system // Atherton Albert ; Janson George W. // Western Union Telegraph Co | ||||
| PDF File 1584681.pdf | 225 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1584681-A // Metallic duplex system of telegraphy // Atherton Albert // Western Union Telegraph Co | |||
| Version 1 (current) | 225 kB | Shaun Ewing | May 11, 1926 00:00 | US-1584681-A // Metallic duplex system of telegraphy // Atherton Albert // Western Union Telegraph Co | ||||
| PDF File 1579999.pdf | 1.21 MB | Shaun Ewing | Apr 06, 1926 00:00 |
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US-1579999-A // Cable telegraphy // Benjamin George R. ; Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579999-A // Cable telegraphy // Benjamin George R. ; Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 1576167.pdf | 1.13 MB | Shaun Ewing | Mar 09, 1926 00:00 |
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US-1576167-A // Storing transmitter // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Mar 09, 1926 00:00 | US-1576167-A // Storing transmitter // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co |
