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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1662081.pdf | 348 kB | Shaun Ewing | Mar 13, 1928 00:00 |
|
US-1662081-A // High-frequency modulating system // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662081-A // High-frequency modulating system // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1443985.pdf | 347 kB | Shaun Ewing | Feb 06, 1923 00:00 |
|
US-1443985-A // Signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Feb 06, 1923 00:00 | US-1443985-A // Signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1735053.pdf | 347 kB | Shaun Ewing | Nov 12, 1929 00:00 |
|
US-1735053-A // Radio signaling system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Nov 12, 1929 00:00 | US-1735053-A // Radio signaling system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1579263.pdf | 347 kB | Shaun Ewing | Apr 06, 1926 00:00 |
|
US-1579263-A // Electrical transmission of pictures // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579263-A // Electrical transmission of pictures // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1371298.pdf | 347 kB | Shaun Ewing | Mar 15, 1921 00:00 |
|
US-1371298-A // Telephone and call signal system // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Mar 15, 1921 00:00 | US-1371298-A // Telephone and call signal system // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1753446.pdf | 346 kB | Shaun Ewing | Apr 08, 1930 00:00 |
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US-1753446-A // Signaling system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 346 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753446-A // Signaling system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1744835.pdf | 346 kB | Shaun Ewing | Jan 28, 1930 00:00 |
|
US-1744835-A // Constant-frequency oscillator // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 346 kB | Shaun Ewing | Jan 28, 1930 00:00 | US-1744835-A // Constant-frequency oscillator // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1403626.pdf | 345 kB | Shaun Ewing | Jan 17, 1922 00:00 |
|
US-1403626-A // Automatic switch for controlling motor-driven automatic machines // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 345 kB | Shaun Ewing | Jan 17, 1922 00:00 | US-1403626-A // Automatic switch for controlling motor-driven automatic machines // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1454895.pdf | 345 kB | Shaun Ewing | May 15, 1923 00:00 |
|
US-1454895-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | |||
| Version 1 (current) | 345 kB | Shaun Ewing | May 15, 1923 00:00 | US-1454895-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | ||||
| PDF File 1402991.pdf | 342 kB | Shaun Ewing | Jan 10, 1922 00:00 |
|
US-1402991-A // Carrier telegraph circuit // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Jan 10, 1922 00:00 | US-1402991-A // Carrier telegraph circuit // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1623095.pdf | 342 kB | Shaun Ewing | Apr 05, 1927 00:00 |
|
US-1623095-A // Multiway connection // Crisson George ; Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Apr 05, 1927 00:00 | US-1623095-A // Multiway connection // Crisson George ; Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1713615.pdf | 342 kB | Shaun Ewing | May 21, 1929 00:00 |
|
US-1713615-A // Thermionic vacuum tube // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 342 kB | Shaun Ewing | May 21, 1929 00:00 | US-1713615-A // Thermionic vacuum tube // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1744918.pdf | 341 kB | Shaun Ewing | Jan 28, 1930 00:00 |
|
US-1744918-A // Telephone system // Phelps Henry E. ; Jr. John Davidson, // American Telephone & Telegraph | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Jan 28, 1930 00:00 | US-1744918-A // Telephone system // Phelps Henry E. ; Jr. John Davidson, // American Telephone & Telegraph | ||||
| PDF File 1567204.pdf | 341 kB | Shaun Ewing | Dec 29, 1925 00:00 |
|
US-1567204-A // Radio transmitting system // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567204-A // Radio transmitting system // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1534074.pdf | 341 kB | Shaun Ewing | Apr 21, 1925 00:00 |
|
US-1534074-A // Telegraphy // Parker Ralzemond D. // American Telephone And Telepgr | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Apr 21, 1925 00:00 | US-1534074-A // Telegraphy // Parker Ralzemond D. // American Telephone And Telepgr | ||||
| PDF File 1708038.pdf | 341 kB | Shaun Ewing | Apr 09, 1929 00:00 |
|
US-1708038-A // Low-loss insulator // Wilson Leon T. // American Telephone & Telegraph | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Apr 09, 1929 00:00 | US-1708038-A // Low-loss insulator // Wilson Leon T. // American Telephone & Telegraph | ||||
| PDF File 1400776.pdf | 340 kB | Shaun Ewing | Dec 20, 1921 00:00 |
|
US-1400776-A // Deflection-dynamometer // Smith Temple C. // American Telephone & Telegraph | |||
| Version 1 (current) | 340 kB | Shaun Ewing | Dec 20, 1921 00:00 | US-1400776-A // Deflection-dynamometer // Smith Temple C. // American Telephone & Telegraph | ||||
| PDF File 1566337.pdf | 340 kB | Shaun Ewing | Dec 22, 1925 00:00 |
|
US-1566337-A // Sound radiator // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 340 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566337-A // Sound radiator // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1755266.pdf | 339 kB | Shaun Ewing | Apr 22, 1930 00:00 |
|
US-1755266-A // Tuned radio frequency amplifier // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Apr 22, 1930 00:00 | US-1755266-A // Tuned radio frequency amplifier // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1500553.pdf | 339 kB | Shaun Ewing | Jul 08, 1924 00:00 |
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US-1500553-A // Harmonic suppressor // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Jul 08, 1924 00:00 | US-1500553-A // Harmonic suppressor // Espenschied Lloyd // American Telephone & Telegraph |
