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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1778768.pdf | 613 kB | Shaun Ewing | Oct 21, 1930 00:00 |
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US-1778768-A // Telephone-ringing system // Norton Philander // Bell Telephone Labor Inc | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Oct 21, 1930 00:00 | US-1778768-A // Telephone-ringing system // Norton Philander // Bell Telephone Labor Inc | ||||
| PDF File 1742930.pdf | 610 kB | Shaun Ewing | Jan 07, 1930 00:00 |
|
US-1742930-A // Telephone system // Paine Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742930-A // Telephone system // Paine Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1762737.pdf | 609 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762737-A // System employing space-discharge device // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762737-A // System employing space-discharge device // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1711682.pdf | 609 kB | Shaun Ewing | May 07, 1929 00:00 |
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US-1711682-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | May 07, 1929 00:00 | US-1711682-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1738007.pdf | 598 kB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738007-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738007-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1676627.pdf | 595 kB | Shaun Ewing | Jul 10, 1928 00:00 |
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US-1676627-A // Method and means for reducing cross talk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 595 kB | Shaun Ewing | Jul 10, 1928 00:00 | US-1676627-A // Method and means for reducing cross talk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1645152.pdf | 592 kB | Shaun Ewing | Oct 11, 1927 00:00 |
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US-1645152-A // Wire-splicing machine // May David T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Oct 11, 1927 00:00 | US-1645152-A // Wire-splicing machine // May David T. // Bell Telephone Labor Inc | ||||
| PDF File 1763157.pdf | 587 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763157-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763157-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 1738327.pdf | 587 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1738327-A // Vibration device // Smythe Edwin H. ; Lane Clarence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738327-A // Vibration device // Smythe Edwin H. ; Lane Clarence E. // Bell Telephone Labor Inc | ||||
| PDF File 1762999.pdf | 585 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762999-A // Regulator system // Manderfeld Emanuel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 585 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762999-A // Regulator system // Manderfeld Emanuel C. // Bell Telephone Labor Inc | ||||
| PDF File 1747830.pdf | 584 kB | Shaun Ewing | Feb 18, 1930 00:00 |
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US-1747830-A // Acoustic horn // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747830-A // Acoustic horn // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1751207.pdf | 582 kB | Shaun Ewing | Mar 18, 1930 00:00 |
|
US-1751207-A // Telephone trunk circuit // Johnson Herbert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1751207-A // Telephone trunk circuit // Johnson Herbert B. // Bell Telephone Labor Inc | ||||
| PDF File 1666195.pdf | 582 kB | Shaun Ewing | Apr 17, 1928 00:00 |
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US-1666195-A // Duplex telegraph system // Clokey Allison A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666195-A // Duplex telegraph system // Clokey Allison A. // Bell Telephone Labor Inc | ||||
| PDF File 1738290.pdf | 580 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1738290-A // Telephone-exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738290-A // Telephone-exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1662071.pdf | 578 kB | Shaun Ewing | Mar 13, 1928 00:00 |
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US-1662071-A // Regulating system // Manderfeld Emanuel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 578 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662071-A // Regulating system // Manderfeld Emanuel C. // Bell Telephone Labor Inc | ||||
| PDF File 1724994.pdf | 577 kB | Shaun Ewing | Aug 20, 1929 00:00 |
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US-1724994-A // Duplex telegraph system for loaded cables // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1724994-A // Duplex telegraph system for loaded cables // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1747863.pdf | 574 kB | Shaun Ewing | Feb 18, 1930 00:00 |
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US-1747863-A // Electrical signaling // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747863-A // Electrical signaling // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 1650683.pdf | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1733556.pdf | 573 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733556-A // Carrier-wave transmission // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733556-A // Carrier-wave transmission // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1760159.pdf | 572 kB | Shaun Ewing | May 27, 1930 00:00 |
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US-1760159-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | May 27, 1930 00:00 | US-1760159-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc |
