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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1603329.pdf | 368 kB | Shaun Ewing | Oct 19, 1926 00:00 |
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US-1603329-A // Tapered filter for alternating currents of varying frequency // Dietze Eginhard // American Telephone & Telegraph | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Oct 19, 1926 00:00 | US-1603329-A // Tapered filter for alternating currents of varying frequency // Dietze Eginhard // American Telephone & Telegraph | ||||
| PDF File 1734104.pdf | 368 kB | Shaun Ewing | Nov 05, 1929 00:00 |
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US-1734104-A // Two-way transmission with repeaters // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Nov 05, 1929 00:00 | US-1734104-A // Two-way transmission with repeaters // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1738524.pdf | 367 kB | Shaun Ewing | Dec 10, 1929 00:00 |
|
US-1738524-A // Device for locking evacuated tubes // Christopher Harry J. // American Telephone & Telegraph | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738524-A // Device for locking evacuated tubes // Christopher Harry J. // American Telephone & Telegraph | ||||
| PDF File 1575658.pdf | 367 kB | Shaun Ewing | Mar 09, 1926 00:00 |
|
US-1575658-A // Volume control for program-distribution systems // Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Mar 09, 1926 00:00 | US-1575658-A // Volume control for program-distribution systems // Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1778086.pdf | 367 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778086-A // Apparatus for pulling cables through conduits // Palm Samuel M. ; Snyder John F. // American Telephone And Telepho | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778086-A // Apparatus for pulling cables through conduits // Palm Samuel M. ; Snyder John F. // American Telephone And Telepho | ||||
| PDF File 1601021.pdf | 367 kB | Shaun Ewing | Sept 28, 1926 00:00 |
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US-1601021-A // Superimposed ringing system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Sept 28, 1926 00:00 | US-1601021-A // Superimposed ringing system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1755258.pdf | 366 kB | Shaun Ewing | Apr 22, 1930 00:00 |
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US-1755258-A // Battery-charging circuits // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 366 kB | Shaun Ewing | Apr 22, 1930 00:00 | US-1755258-A // Battery-charging circuits // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1677957.pdf | 366 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677957-A // Telephone system // Eagon Lloyd L. // American Telephone & Telegraph | |||
| Version 1 (current) | 366 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677957-A // Telephone system // Eagon Lloyd L. // American Telephone & Telegraph | ||||
| PDF File 1630312.pdf | 365 kB | Shaun Ewing | May 31, 1927 00:00 |
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US-1630312-A // Thermal translating device // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 365 kB | Shaun Ewing | May 31, 1927 00:00 | US-1630312-A // Thermal translating device // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1548895.pdf | 365 kB | Shaun Ewing | Aug 11, 1925 00:00 |
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US-1548895-A // Electrical transmission of pictures // Mertz Pierre // American Telephone & Telegraph | |||
| Version 1 (current) | 365 kB | Shaun Ewing | Aug 11, 1925 00:00 | US-1548895-A // Electrical transmission of pictures // Mertz Pierre // American Telephone & Telegraph | ||||
| PDF File 1558564.pdf | 364 kB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1558564-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 364 kB | Shaun Ewing | Oct 27, 1925 00:00 | US-1558564-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1701562.pdf | 363 kB | Shaun Ewing | Feb 12, 1929 00:00 |
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US-1701562-A // Insulator // Gordon Chester S. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Feb 12, 1929 00:00 | US-1701562-A // Insulator // Gordon Chester S. // American Telephone & Telegraph | ||||
| PDF File 1725691.pdf | 363 kB | Shaun Ewing | Aug 20, 1929 00:00 |
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US-1725691-A // System of electrical distribution // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1725691-A // System of electrical distribution // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1462525.pdf | 363 kB | Shaun Ewing | Jul 24, 1923 00:00 |
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US-1462525-A // Arrangement for producing complementary visual and audisle exhibitions // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Jul 24, 1923 00:00 | US-1462525-A // Arrangement for producing complementary visual and audisle exhibitions // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1732255.pdf | 363 kB | Shaun Ewing | Oct 22, 1929 00:00 |
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US-1732255-A // Telegraph-monitoring system // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Oct 22, 1929 00:00 | US-1732255-A // Telegraph-monitoring system // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1373504.pdf | 363 kB | Shaun Ewing | Apr 05, 1921 00:00 |
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US-1373504-A // Electrical measuring apparatus // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Apr 05, 1921 00:00 | US-1373504-A // Electrical measuring apparatus // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1769479.pdf | 362 kB | Shaun Ewing | Jul 01, 1930 00:00 |
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US-1769479-A // Cable grip // Whaley Sherman E. // American Telephone & Telegraph | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Jul 01, 1930 00:00 | US-1769479-A // Cable grip // Whaley Sherman E. // American Telephone & Telegraph | ||||
| PDF File 1724082.pdf | 362 kB | Shaun Ewing | Aug 13, 1929 00:00 |
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US-1724082-A // Means to control cross talk // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Aug 13, 1929 00:00 | US-1724082-A // Means to control cross talk // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1632030.pdf | 361 kB | Shaun Ewing | Jun 14, 1927 00:00 |
|
US-1632030-A // Method and means for the identification of electrical cables // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jun 14, 1927 00:00 | US-1632030-A // Method and means for the identification of electrical cables // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1578269.pdf | 361 kB | Shaun Ewing | Mar 30, 1926 00:00 |
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US-1578269-A // Signaling arrangement for four-wire circuits // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Mar 30, 1926 00:00 | US-1578269-A // Signaling arrangement for four-wire circuits // Demarest Charles S. // American Telephone & Telegraph |
