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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1705903.pdf | 1.87 MB | Shaun Ewing | Mar 19, 1929 00:00 |
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US-1705903-A // Power line signaling // Davee Lawrence W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.87 MB | Shaun Ewing | Mar 19, 1929 00:00 | US-1705903-A // Power line signaling // Davee Lawrence W. // Bell Telephone Labor Inc | ||||
| PDF File 1780910.pdf | 1.87 MB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1780910-A // Testing system // Dunham Bert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.87 MB | Shaun Ewing | Nov 11, 1930 00:00 | US-1780910-A // Testing system // Dunham Bert G. // Bell Telephone Labor Inc | ||||
| PDF File 1746808.pdf | 1.74 MB | Shaun Ewing | Feb 11, 1930 00:00 |
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US-1746808-A // Power-line signaling // Wolfe Wallace V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.74 MB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746808-A // Power-line signaling // Wolfe Wallace V. // Bell Telephone Labor Inc | ||||
| PDF File 1665338.pdf | 1.68 MB | Shaun Ewing | Apr 10, 1928 00:00 |
|
US-1665338-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Apr 10, 1928 00:00 | US-1665338-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1743429.pdf | 1.66 MB | Shaun Ewing | Jan 14, 1930 00:00 |
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US-1743429-A // Telephone-exchange system // Clark Edgar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Jan 14, 1930 00:00 | US-1743429-A // Telephone-exchange system // Clark Edgar H. // Bell Telephone Labor Inc | ||||
| PDF File 1681510.pdf | 1.64 MB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681510-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681510-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 1667830.pdf | 1.59 MB | Shaun Ewing | May 01, 1928 00:00 |
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US-1667830-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | May 01, 1928 00:00 | US-1667830-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 1747219.pdf | 1.57 MB | Shaun Ewing | Feb 18, 1930 00:00 |
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US-1747219-A // Telephone system // Bowne Langford J. ; Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747219-A // Telephone system // Bowne Langford J. ; Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 1733568.pdf | 1.56 MB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733568-A // Telephone system // Wilbur Ray S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733568-A // Telephone system // Wilbur Ray S. // Bell Telephone Labor Inc | ||||
| PDF File 1762763.pdf | 1.55 MB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762763-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762763-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | ||||
| PDF File 1778309.pdf | 1.50 MB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778309-A // Telephone metering system // Carpenter Warren W. ; Johnson Lewis H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778309-A // Telephone metering system // Carpenter Warren W. ; Johnson Lewis H. // Bell Telephone Labor Inc | ||||
| PDF File 1695040.pdf | 1.47 MB | Shaun Ewing | Dec 11, 1928 00:00 |
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US-1695040-A // Multiplex-telegraph system // Clokey Allison A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Dec 11, 1928 00:00 | US-1695040-A // Multiplex-telegraph system // Clokey Allison A. // Bell Telephone Labor Inc | ||||
| PDF File 1767929.pdf | 1.46 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767929-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767929-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | ||||
| PDF File 1678103.pdf | 1.43 MB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1678103-A // Telephone system // Caverly Harry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Jul 24, 1928 00:00 | US-1678103-A // Telephone system // Caverly Harry C. // Bell Telephone Labor Inc | ||||
| PDF File 1655061.pdf | 1.42 MB | Shaun Ewing | Jan 03, 1928 00:00 |
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US-1655061-A // Telephone-exchange system // Jordan William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.42 MB | Shaun Ewing | Jan 03, 1928 00:00 | US-1655061-A // Telephone-exchange system // Jordan William C. // Bell Telephone Labor Inc | ||||
| PDF File 1705906.pdf | 1.41 MB | Shaun Ewing | Mar 19, 1929 00:00 |
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US-1705906-A // Telephone system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Mar 19, 1929 00:00 | US-1705906-A // Telephone system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1769920.pdf | 1.40 MB | Shaun Ewing | Jul 08, 1930 00:00 |
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US-1769920-A // Electrooptical transmission system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Jul 08, 1930 00:00 | US-1769920-A // Electrooptical transmission system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1700467.pdf | 1.39 MB | Shaun Ewing | Jan 29, 1929 00:00 |
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US-1700467-A // Telephone-exchange system // Clark Edgar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jan 29, 1929 00:00 | US-1700467-A // Telephone-exchange system // Clark Edgar H. // Bell Telephone Labor Inc | ||||
| PDF File 1747849.pdf | 1.39 MB | Shaun Ewing | Feb 18, 1930 00:00 |
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US-1747849-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747849-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 1769919.pdf | 1.33 MB | Shaun Ewing | Jul 08, 1930 00:00 |
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US-1769919-A // Electrooptical transmission system // Gray Frank ; Hefele John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Jul 08, 1930 00:00 | US-1769919-A // Electrooptical transmission system // Gray Frank ; Hefele John R. // Bell Telephone Labor Inc |
