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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1568144.pdf | 459 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568144-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568144-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | ||||
| PDF File 1575659.pdf | 459 kB | Shaun Ewing | Mar 09, 1926 00:00 |
|
US-1575659-A // Filter arrangement for wire program-distribution circuits // Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Mar 09, 1926 00:00 | US-1575659-A // Filter arrangement for wire program-distribution circuits // Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1596087.pdf | 459 kB | Shaun Ewing | Aug 17, 1926 00:00 |
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US-1596087-A // Selecting circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Aug 17, 1926 00:00 | US-1596087-A // Selecting circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1552470.pdf | 458 kB | Shaun Ewing | Sept 08, 1925 00:00 |
|
US-1552470-A // Means for measuring telegraph distortion // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552470-A // Means for measuring telegraph distortion // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1703147.pdf | 458 kB | Shaun Ewing | Feb 26, 1929 00:00 |
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US-1703147-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Feb 26, 1929 00:00 | US-1703147-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1704806.pdf | 457 kB | Shaun Ewing | Mar 12, 1929 00:00 |
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US-1704806-A // Signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Mar 12, 1929 00:00 | US-1704806-A // Signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1513760.pdf | 457 kB | Shaun Ewing | Nov 04, 1924 00:00 |
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US-1513760-A // Foreign-potential-detecting device // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Nov 04, 1924 00:00 | US-1513760-A // Foreign-potential-detecting device // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1483172.pdf | 457 kB | Shaun Ewing | Feb 12, 1924 00:00 |
|
US-1483172-A // Signaling system // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Feb 12, 1924 00:00 | US-1483172-A // Signaling system // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1494347.pdf | 457 kB | Shaun Ewing | May 20, 1924 00:00 |
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US-1494347-A // High-speed radio system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | May 20, 1924 00:00 | US-1494347-A // High-speed radio system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1753445.pdf | 456 kB | Shaun Ewing | Apr 08, 1930 00:00 |
|
US-1753445-A // Signaling system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753445-A // Signaling system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1658096.pdf | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 |
|
US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1622357.pdf | 455 kB | Shaun Ewing | Mar 29, 1927 00:00 |
|
US-1622357-A // Electrical transmitting system // Staples Elliot M. // American Telephone & Telegraph | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Mar 29, 1927 00:00 | US-1622357-A // Electrical transmitting system // Staples Elliot M. // American Telephone & Telegraph | ||||
| PDF File 1749851.pdf | 455 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1749851-A // Circuit controller // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1749851-A // Circuit controller // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1418285.pdf | 454 kB | Shaun Ewing | Jun 06, 1922 00:00 |
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US-1418285-A // Translating circuit // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Jun 06, 1922 00:00 | US-1418285-A // Translating circuit // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1478412.pdf | 454 kB | Shaun Ewing | Dec 25, 1923 00:00 |
|
US-1478412-A // Telegraph apparatus // Walton Cecil E. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Dec 25, 1923 00:00 | US-1478412-A // Telegraph apparatus // Walton Cecil E. // American Telephone & Telegraph | ||||
| PDF File 1600290.pdf | 454 kB | Shaun Ewing | Sept 21, 1926 00:00 |
|
US-1600290-A // Wave filter // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Sept 21, 1926 00:00 | US-1600290-A // Wave filter // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1404799.pdf | 454 kB | Shaun Ewing | Jan 31, 1922 00:00 |
|
US-1404799-A // Current-supply circuit for vacuum bulbs // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Jan 31, 1922 00:00 | US-1404799-A // Current-supply circuit for vacuum bulbs // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1416724.pdf | 453 kB | Shaun Ewing | May 23, 1922 00:00 |
|
US-1416724-A // Telephone circuits // Kuhn George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 453 kB | Shaun Ewing | May 23, 1922 00:00 | US-1416724-A // Telephone circuits // Kuhn George W. // American Telephone & Telegraph | ||||
| PDF File 1769270.pdf | 453 kB | Shaun Ewing | Jul 01, 1930 00:00 |
|
US-1769270-A // Harmonic producer // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 453 kB | Shaun Ewing | Jul 01, 1930 00:00 | US-1769270-A // Harmonic producer // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1663747.pdf | 452 kB | Shaun Ewing | Mar 27, 1928 00:00 |
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US-1663747-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Mar 27, 1928 00:00 | US-1663747-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph |
