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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2018850.pdf | 868 kB | Shaun Ewing | Oct 29, 1935 00:00 |
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US-2018850-A // Unattended repeater system // Green Estill Ibbotson ; Leibe Frank Augustus // American Telephone & Telegraph | |||
| Version 1 (current) | 868 kB | Shaun Ewing | Oct 29, 1935 00:00 | US-2018850-A // Unattended repeater system // Green Estill Ibbotson ; Leibe Frank Augustus // American Telephone & Telegraph | ||||
| PDF File 1967368.pdf | 867 kB | Shaun Ewing | Jul 24, 1934 00:00 |
|
US-1967368-A // Regenerative repeater // Reeve Elmer W. // American Telephone & Telegraph | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Jul 24, 1934 00:00 | US-1967368-A // Regenerative repeater // Reeve Elmer W. // American Telephone & Telegraph | ||||
| PDF File 1874530.pdf | 865 kB | Shaun Ewing | Aug 30, 1932 00:00 |
|
US-1874530-A // Transmission regulating system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874530-A // Transmission regulating system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1839290.pdf | 863 kB | Shaun Ewing | Jan 05, 1932 00:00 |
|
US-1839290-A // Direction finder for radiowaves // Bailey Austin // American Telephone & Telegraph | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Jan 05, 1932 00:00 | US-1839290-A // Direction finder for radiowaves // Bailey Austin // American Telephone & Telegraph | ||||
| PDF File 1918393.pdf | 863 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918393-A // Amplifier of alternating currents // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918393-A // Amplifier of alternating currents // Holden William Henry Towne // American Telephone & Telegraph | ||||
| PDF File 2034825.pdf | 863 kB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2034825-A // Metering assembly // Newell Norman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034825-A // Metering assembly // Newell Norman A. // American Telephone & Telegraph | ||||
| PDF File 1903888.pdf | 863 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903888-A // Two-way telephone system // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903888-A // Two-way telephone system // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1978021.pdf | 859 kB | Shaun Ewing | Oct 23, 1934 00:00 |
|
US-1978021-A // Ultrashort wave system // Hollmann Hans Erich // American Telephone & Telegraph | |||
| Version 1 (current) | 859 kB | Shaun Ewing | Oct 23, 1934 00:00 | US-1978021-A // Ultrashort wave system // Hollmann Hans Erich // American Telephone & Telegraph | ||||
| PDF File 2094574.pdf | 859 kB | Shaun Ewing | Oct 05, 1937 00:00 |
|
US-2094574-A // Lock // Anderson Emil Nathaniel // American Telephone & Telegraph | |||
| Version 1 (current) | 859 kB | Shaun Ewing | Oct 05, 1937 00:00 | US-2094574-A // Lock // Anderson Emil Nathaniel // American Telephone & Telegraph | ||||
| PDF File 2138186.pdf | 858 kB | Shaun Ewing | Nov 29, 1938 00:00 |
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US-2138186-A // Telephone system // Mcdavitt Marcellus Balli // American Telephone & Telegraph | |||
| Version 1 (current) | 858 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138186-A // Telephone system // Mcdavitt Marcellus Balli // American Telephone & Telegraph | ||||
| PDF File 2043403.pdf | 855 kB | Shaun Ewing | Jun 09, 1936 00:00 |
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US-2043403-A // Telephone transmission circuits // Wright Sumner Bisbee ; Abraham Leonard Gladstone // American Telephone & Telegraph | |||
| Version 1 (current) | 855 kB | Shaun Ewing | Jun 09, 1936 00:00 | US-2043403-A // Telephone transmission circuits // Wright Sumner Bisbee ; Abraham Leonard Gladstone // American Telephone & Telegraph | ||||
| PDF File 1879741.pdf | 852 kB | Shaun Ewing | Sept 27, 1932 00:00 |
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US-1879741-A // Telephone system // Haines William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 852 kB | Shaun Ewing | Sept 27, 1932 00:00 | US-1879741-A // Telephone system // Haines William T. // American Telephone & Telegraph | ||||
| PDF File 2034826.pdf | 849 kB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2034826-A // Modulator for alternating currents // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 849 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034826-A // Modulator for alternating currents // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1836127.pdf | 849 kB | Shaun Ewing | Dec 15, 1931 00:00 |
|
US-1836127-A // System for testing and adjusting energy levels in the transmission of signals // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 849 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836127-A // System for testing and adjusting energy levels in the transmission of signals // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1863671.pdf | 848 kB | Shaun Ewing | Jun 21, 1932 00:00 |
|
US-1863671-A // Cable-laying apparatus // Pitts Frederick B. ; Garlinger Marshall T. ; Smith Temple C. // American Telephone & Telegraph | |||
| Version 1 (current) | 848 kB | Shaun Ewing | Jun 21, 1932 00:00 | US-1863671-A // Cable-laying apparatus // Pitts Frederick B. ; Garlinger Marshall T. ; Smith Temple C. // American Telephone & Telegraph | ||||
| PDF File 1885214.pdf | 846 kB | Shaun Ewing | Nov 01, 1932 00:00 |
|
US-1885214-A // Signaling system // Almquist Milton L. ; Thompson Albert C. // American Telephone & Telegraph | |||
| Version 1 (current) | 846 kB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885214-A // Signaling system // Almquist Milton L. ; Thompson Albert C. // American Telephone & Telegraph | ||||
| PDF File 2025145.pdf | 844 kB | Shaun Ewing | Dec 24, 1935 00:00 |
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US-2025145-A // Transmission system // Bascom Henry M. ; Friend Otto A. ; Mcdavitt Marcellus B. // American Telephone & Telegraph | |||
| Version 1 (current) | 844 kB | Shaun Ewing | Dec 24, 1935 00:00 | US-2025145-A // Transmission system // Bascom Henry M. ; Friend Otto A. ; Mcdavitt Marcellus B. // American Telephone & Telegraph | ||||
| PDF File 2018859.pdf | 843 kB | Shaun Ewing | Oct 29, 1935 00:00 |
|
US-2018859-A // Unattended repeater system // Leibe Frank Augustus // American Telephone & Telegraph | |||
| Version 1 (current) | 843 kB | Shaun Ewing | Oct 29, 1935 00:00 | US-2018859-A // Unattended repeater system // Leibe Frank Augustus // American Telephone & Telegraph | ||||
| PDF File 2140680.pdf | 841 kB | Shaun Ewing | Dec 20, 1938 00:00 |
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US-2140680-A // Telegraph testing set // Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 841 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140680-A // Telegraph testing set // Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 2068309.pdf | 839 kB | Shaun Ewing | Jan 19, 1937 00:00 |
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US-2068309-A // Transmission measuring system // Affel Herman A. ; Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 839 kB | Shaun Ewing | Jan 19, 1937 00:00 | US-2068309-A // Transmission measuring system // Affel Herman A. ; Best Fred H. // American Telephone & Telegraph |
