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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1733617.pdf | 744 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733617-A // Signaling system // Meissner Charles R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733617-A // Signaling system // Meissner Charles R. // Bell Telephone Labor Inc | ||||
| PDF File 1763203.pdf | 742 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763203-A // Remote-control system // Vieth William F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763203-A // Remote-control system // Vieth William F. // Bell Telephone Labor Inc | ||||
| PDF File 1757712.pdf | 740 kB | Shaun Ewing | May 06, 1930 00:00 |
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US-1757712-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 740 kB | Shaun Ewing | May 06, 1930 00:00 | US-1757712-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1763169.pdf | 740 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763169-A // Sound recording // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763169-A // Sound recording // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1778377.pdf | 740 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778377-A // Telegraph repeating device // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778377-A // Telegraph repeating device // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1752046.pdf | 731 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1752046-A // Electric coupling circuits // Whittle Horace // Bell Telephone Labor Inc | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1752046-A // Electric coupling circuits // Whittle Horace // Bell Telephone Labor Inc | ||||
| PDF File 1700476.pdf | 731 kB | Shaun Ewing | Jan 29, 1929 00:00 |
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US-1700476-A // Submarine signaling cable // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Jan 29, 1929 00:00 | US-1700476-A // Submarine signaling cable // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 1762956.pdf | 728 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762956-A // Signaling conductor // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762956-A // Signaling conductor // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 1678185.pdf | 727 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1678185-A // Telephone system // Harper Robert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1678185-A // Telephone system // Harper Robert W. // Bell Telephone Labor Inc | ||||
| PDF File 1778035.pdf | 727 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778035-A // Harmonic-noise-suppression device // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778035-A // Harmonic-noise-suppression device // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1662085.pdf | 727 kB | Shaun Ewing | Mar 13, 1928 00:00 |
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US-1662085-A // Regulating system // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662085-A // Regulating system // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 1644060.pdf | 727 kB | Shaun Ewing | Oct 04, 1927 00:00 |
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US-1644060-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Oct 04, 1927 00:00 | US-1644060-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1719494.pdf | 716 kB | Shaun Ewing | Jul 02, 1929 00:00 |
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US-1719494-A // Telephone-exchange system // Ulrich Horace W. ; Prince William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 716 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719494-A // Telephone-exchange system // Ulrich Horace W. ; Prince William B. // Bell Telephone Labor Inc | ||||
| PDF File 1781363.pdf | 715 kB | Shaun Ewing | Nov 11, 1930 00:00 |
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US-1781363-A // Electrical testing system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781363-A // Electrical testing system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1762755.pdf | 715 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762755-A // Method and means for reducing crosstalk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762755-A // Method and means for reducing crosstalk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1779380.pdf | 712 kB | Shaun Ewing | Oct 21, 1930 00:00 |
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US-1779380-A // Negative impedance circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Oct 21, 1930 00:00 | US-1779380-A // Negative impedance circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1651017.pdf | 709 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1651017-A // Party-line revertible ringing system // Deakin Gerald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 709 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1651017-A // Party-line revertible ringing system // Deakin Gerald // Bell Telephone Labor Inc | ||||
| PDF File 1707486.pdf | 705 kB | Shaun Ewing | Apr 02, 1929 00:00 |
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US-1707486-A // Electrooptical transmission // Kishpaugh Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Apr 02, 1929 00:00 | US-1707486-A // Electrooptical transmission // Kishpaugh Arthur W. // Bell Telephone Labor Inc | ||||
| PDF File 1743710.pdf | 703 kB | Shaun Ewing | Jan 14, 1930 00:00 |
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US-1743710-A // Secrecy system for signaling // Englund Carl R. ; Llewfllyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Jan 14, 1930 00:00 | US-1743710-A // Secrecy system for signaling // Englund Carl R. ; Llewfllyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 1746729.pdf | 703 kB | Shaun Ewing | Feb 11, 1930 00:00 |
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US-1746729-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746729-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc |
