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 1499464.pdf | 968 kB | Shaun Ewing | Jul 01, 1924 00:00 |
|
US-1499464-A // Transmission-regulating circuits // Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 968 kB | Shaun Ewing | Jul 01, 1924 00:00 | US-1499464-A // Transmission-regulating circuits // Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1734124.pdf | 966 kB | Shaun Ewing | Nov 05, 1929 00:00 |
|
US-1734124-A // Universal telephone set // Green Irving W. ; Inglis Alfred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 966 kB | Shaun Ewing | Nov 05, 1929 00:00 | US-1734124-A // Universal telephone set // Green Irving W. ; Inglis Alfred H. // American Telephone & Telegraph | ||||
| PDF File 1740856.pdf | 962 kB | Shaun Ewing | Dec 24, 1929 00:00 |
|
US-1740856-A // Volume regulation in two-way telephone circuits // Herman Joseph ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 962 kB | Shaun Ewing | Dec 24, 1929 00:00 | US-1740856-A // Volume regulation in two-way telephone circuits // Herman Joseph ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1438217.pdf | 961 kB | Shaun Ewing | Dec 12, 1922 00:00 |
|
US-1438217-A // Means for and method of regulating the transmission over electric circuits // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 961 kB | Shaun Ewing | Dec 12, 1922 00:00 | US-1438217-A // Means for and method of regulating the transmission over electric circuits // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1384994.pdf | 961 kB | Shaun Ewing | Jul 19, 1921 00:00 |
|
US-1384994-A // Telephone repeater equipment // Demarest Charles S. ; Clark Alva B. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 961 kB | Shaun Ewing | Jul 19, 1921 00:00 | US-1384994-A // Telephone repeater equipment // Demarest Charles S. ; Clark Alva B. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1780962.pdf | 959 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1780962-A // Radio signaling system // Bailey Austin ; Dean Samuel Winthrop // American Telephone & Telegraph | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1780962-A // Radio signaling system // Bailey Austin ; Dean Samuel Winthrop // American Telephone & Telegraph | ||||
| PDF File 1613686.pdf | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 |
|
US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1617934.pdf | 957 kB | Shaun Ewing | Feb 15, 1927 00:00 |
|
US-1617934-A // Carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 957 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617934-A // Carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1397093.pdf | 952 kB | Shaun Ewing | Nov 15, 1921 00:00 |
|
US-1397093-A // Radiorepeating system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Nov 15, 1921 00:00 | US-1397093-A // Radiorepeating system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1608546.pdf | 952 kB | Shaun Ewing | Nov 30, 1926 00:00 |
|
US-1608546-A // Distortion-measuring system // Clark Alva B. ; Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Nov 30, 1926 00:00 | US-1608546-A // Distortion-measuring system // Clark Alva B. ; Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1438218.pdf | 951 kB | Shaun Ewing | Dec 12, 1922 00:00 |
|
US-1438218-A // Means for and method of regulating the transmission over electric circuits // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 951 kB | Shaun Ewing | Dec 12, 1922 00:00 | US-1438218-A // Means for and method of regulating the transmission over electric circuits // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1394189.pdf | 950 kB | Shaun Ewing | Oct 18, 1921 00:00 |
|
US-1394189-A // Repeater-controlling system for four-wire circuits // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 950 kB | Shaun Ewing | Oct 18, 1921 00:00 | US-1394189-A // Repeater-controlling system for four-wire circuits // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1565548.pdf | 949 kB | Shaun Ewing | Dec 15, 1925 00:00 |
|
US-1565548-A // Arrangement for controlling volume range // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 949 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565548-A // Arrangement for controlling volume range // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1461064.pdf | 949 kB | Shaun Ewing | Jul 10, 1923 00:00 |
|
US-1461064-A // Multiplex transmission circuit // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 949 kB | Shaun Ewing | Jul 10, 1923 00:00 | US-1461064-A // Multiplex transmission circuit // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1641290.pdf | 948 kB | Shaun Ewing | Sept 06, 1927 00:00 |
|
US-1641290-A // Printing-telegraph-exchange system // Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Sept 06, 1927 00:00 | US-1641290-A // Printing-telegraph-exchange system // Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1683739.pdf | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 |
|
US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1770422.pdf | 944 kB | Shaun Ewing | Jul 15, 1930 00:00 |
|
US-1770422-A // Phase-compensating network // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 944 kB | Shaun Ewing | Jul 15, 1930 00:00 | US-1770422-A // Phase-compensating network // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1692317.pdf | 943 kB | Shaun Ewing | Nov 20, 1928 00:00 |
|
US-1692317-A // Acoustic wave filter // Stewart George Walter // American Telephone & Telegraph | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Nov 20, 1928 00:00 | US-1692317-A // Acoustic wave filter // Stewart George Walter // American Telephone & Telegraph | ||||
| PDF File 1510985.pdf | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 |
|
US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1595135.pdf | 942 kB | Shaun Ewing | Aug 10, 1926 00:00 |
|
US-1595135-A // Carrier-current signal system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 942 kB | Shaun Ewing | Aug 10, 1926 00:00 | US-1595135-A // Carrier-current signal system // Affel Herman A. // American Telephone & Telegraph |
