Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1760920.pdf | 389 kB | Shaun Ewing | Jun 03, 1930 00:00 |
|
US-1760920-A // Testing system // Stromberg Sven E. // American Telephone & Telegraph | |||
| Version 1 (current) | 389 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760920-A // Testing system // Stromberg Sven E. // American Telephone & Telegraph | ||||
| PDF File 1760957.pdf | 699 kB | Shaun Ewing | Jun 03, 1930 00:00 |
|
US-1760957-A // Vacuum-tube detector // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760957-A // Vacuum-tube detector // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1760973.pdf | 356 kB | Shaun Ewing | Jun 03, 1930 00:00 |
|
US-1760973-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760973-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1760983.pdf | 750 kB | Shaun Ewing | Jun 03, 1930 00:00 |
|
US-1760983-A // Insulator // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 750 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760983-A // Insulator // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | ||||
| PDF File 1760984.pdf | 1.13 MB | Shaun Ewing | Jun 03, 1930 00:00 |
|
US-1760984-A // Transoceanic radio telephone system // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760984-A // Transoceanic radio telephone system // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 1762212.pdf | 429 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762212-A // Thermionic vacuum tube // Jr. Charles W. Carter, // American Telephone & Telegraph | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762212-A // Thermionic vacuum tube // Jr. Charles W. Carter, // American Telephone & Telegraph | ||||
| PDF File 1762252.pdf | 1.51 MB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762252-A // Printing-telegraph exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762252-A // Printing-telegraph exchange system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1762255.pdf | 246 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762255-A // Method of plugging cables // Baldwin Charles E. // American Telephone & Telegraph | |||
| Version 1 (current) | 246 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762255-A // Method of plugging cables // Baldwin Charles E. // American Telephone & Telegraph | ||||
| PDF File 1762278.pdf | 1.21 MB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762278-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762278-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1762279.pdf | 749 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762279-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762279-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1763751.pdf | 390 kB | Shaun Ewing | Jun 17, 1930 00:00 |
|
US-1763751-A // Radio receiving system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763751-A // Radio receiving system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1763770.pdf | 248 kB | Shaun Ewing | Jun 17, 1930 00:00 |
|
US-1763770-A // Cable clamp and bridle ring // Fish Lewin B. ; John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 248 kB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763770-A // Cable clamp and bridle ring // Fish Lewin B. ; John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1765585.pdf | 312 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1765585-A // Set for measuring operating time of relays // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1765585-A // Set for measuring operating time of relays // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1765606.pdf | 311 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1765606-A // Harmonic producer // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 311 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1765606-A // Harmonic producer // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1765607.pdf | 242 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1765607-A // Amplifying device // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1765607-A // Amplifying device // Ohl Russell S. // 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 1769431.pdf | 302 kB | Shaun Ewing | Jul 01, 1930 00:00 |
|
US-1769431-A // Electrical-communication-receiving apparatus // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Jul 01, 1930 00:00 | US-1769431-A // Electrical-communication-receiving apparatus // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1769479.pdf | 362 kB | Shaun Ewing | Jul 01, 1930 00:00 |
|
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 1769959.pdf | 1.09 MB | Shaun Ewing | Jul 08, 1930 00:00 |
|
US-1769959-A // Loading system // Mead Sallie P. ; French Norman R. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Jul 08, 1930 00:00 | US-1769959-A // Loading system // Mead Sallie P. ; French Norman R. // American Telephone & Telegraph | ||||
| PDF File 1769962.pdf | 375 kB | Shaun Ewing | Jul 08, 1930 00:00 |
|
US-1769962-A // Apparatus for testing and repairing telephone circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Jul 08, 1930 00:00 | US-1769962-A // Apparatus for testing and repairing telephone circuits // Nyquist Harry // American Telephone & Telegraph |
