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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2145618.pdf | 764 kB | Shaun Ewing | Jan 31, 1939 00:00 |
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US-2145618-A // Key // Anderson Emil Nathaniel // American Telephone & Telegraph | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Jan 31, 1939 00:00 | US-2145618-A // Key // Anderson Emil Nathaniel // American Telephone & Telegraph | ||||
| PDF File 1829825.pdf | 758 kB | Shaun Ewing | Nov 03, 1931 00:00 |
|
US-1829825-A // Brake for power driven shafts // Freeman Albert E. ; Livermore William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Nov 03, 1931 00:00 | US-1829825-A // Brake for power driven shafts // Freeman Albert E. ; Livermore William T. // American Telephone & Telegraph | ||||
| PDF File 1957571.pdf | 758 kB | Shaun Ewing | May 08, 1934 00:00 |
|
US-1957571-A // Echo suppressor // Wright Sumner B. ; Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | May 08, 1934 00:00 | US-1957571-A // Echo suppressor // Wright Sumner B. ; Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 1956704.pdf | 758 kB | Shaun Ewing | May 01, 1934 00:00 |
|
US-1956704-A // Regenerative signal repeater // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | May 01, 1934 00:00 | US-1956704-A // Regenerative signal repeater // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 2060545.pdf | 758 kB | Shaun Ewing | Nov 10, 1936 00:00 |
|
US-2060545-A // Stock quotation system // Abbott Henry Herrick // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Nov 10, 1936 00:00 | US-2060545-A // Stock quotation system // Abbott Henry Herrick // American Telephone & Telegraph | ||||
| PDF File 2026712.pdf | 755 kB | Shaun Ewing | Jan 07, 1936 00:00 |
|
US-2026712-A // Composite oscillator for electromagnetic waves // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Jan 07, 1936 00:00 | US-2026712-A // Composite oscillator for electromagnetic waves // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 2055567.pdf | 755 kB | Shaun Ewing | Sept 29, 1936 00:00 |
|
US-2055567-A // Teletypewriter system // Watson Edward Fisk // American Telephone & Telegraph | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Sept 29, 1936 00:00 | US-2055567-A // Teletypewriter system // Watson Edward Fisk // American Telephone & Telegraph | ||||
| PDF File 1961279.pdf | 755 kB | Shaun Ewing | Jun 05, 1934 00:00 |
|
US-1961279-A // Echo suppressor // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961279-A // Echo suppressor // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1943104.pdf | 752 kB | Shaun Ewing | Jan 09, 1934 00:00 |
|
US-1943104-A // Transmission control in signaling systems // Bjornson Bjorn G. ; Mitchell Doren // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Jan 09, 1934 00:00 | US-1943104-A // Transmission control in signaling systems // Bjornson Bjorn G. ; Mitchell Doren // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2098350.pdf | 749 kB | Shaun Ewing | Nov 09, 1937 00:00 |
|
US-2098350-A // Control of signaling circuits // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Nov 09, 1937 00:00 | US-2098350-A // Control of signaling circuits // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 2073756.pdf | 746 kB | Shaun Ewing | Mar 16, 1937 00:00 |
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US-2073756-A // Timing mechanism // Osten-Sacken Irving Charles // American Telephone & Telegraph | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Mar 16, 1937 00:00 | US-2073756-A // Timing mechanism // Osten-Sacken Irving Charles // American Telephone & Telegraph | ||||
| PDF File 1811954.pdf | 746 kB | Shaun Ewing | Jun 30, 1931 00:00 |
|
US-1811954-A // Transmission volume control // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1811954-A // Transmission volume control // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 2208953.pdf | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208953-A // Noise reducing receiving system // Jr. Edward Henry Weber, // American Telephone & Telegraph | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208953-A // Noise reducing receiving system // Jr. Edward Henry Weber, // American Telephone & Telegraph | ||||
| PDF File 1935759.pdf | 742 kB | Shaun Ewing | Nov 21, 1933 00:00 |
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US-1935759-A // System for adjustment of transmission levels // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Nov 21, 1933 00:00 | US-1935759-A // System for adjustment of transmission levels // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 1939796.pdf | 741 kB | Shaun Ewing | Dec 19, 1933 00:00 |
|
US-1939796-A // Duct rodding apparatus // Spowart John B. // American Telephone & Telegraph | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Dec 19, 1933 00:00 | US-1939796-A // Duct rodding apparatus // Spowart John B. // American Telephone & Telegraph | ||||
| PDF File 1953157.pdf | 740 kB | Shaun Ewing | Apr 03, 1934 00:00 |
|
US-1953157-A // Acoustic decremeter // Dietze Eginhard ; Jr. Walter D. Goodale, // American Telephone & Telegraph | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Apr 03, 1934 00:00 | US-1953157-A // Acoustic decremeter // Dietze Eginhard ; Jr. Walter D. Goodale, // American Telephone & Telegraph | ||||
| PDF File 1818027.pdf | 740 kB | Shaun Ewing | Aug 11, 1931 00:00 |
|
US-1818027-A // Concentric conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Aug 11, 1931 00:00 | US-1818027-A // Concentric conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 2045735.pdf | 738 kB | Shaun Ewing | Jun 30, 1936 00:00 |
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US-2045735-A // Radio receiving circuits // Taylor Charles Chance // American Telephone & Telegraph | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Jun 30, 1936 00:00 | US-2045735-A // Radio receiving circuits // Taylor Charles Chance // American Telephone & Telegraph | ||||
| PDF File 1824801.pdf | 734 kB | Shaun Ewing | Sept 29, 1931 00:00 |
|
US-1824801-A // Electrical potentiometer // Bouton Lewis L. // American Telephone & Telegraph | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Sept 29, 1931 00:00 | US-1824801-A // Electrical potentiometer // Bouton Lewis L. // American Telephone & Telegraph | ||||
| PDF File 1839320.pdf | 734 kB | Shaun Ewing | Jan 05, 1932 00:00 |
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US-1839320-A // Cable reel trailer // Kellems Edgar E. // American Telephone & Telegraph | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Jan 05, 1932 00:00 | US-1839320-A // Cable reel trailer // Kellems Edgar E. // American Telephone & Telegraph |
