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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1519211.pdf | 182 kB | Shaun Ewing | Dec 16, 1924 00:00 |
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US-1519211-A // Loud-speaker circuits // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 182 kB | Shaun Ewing | Dec 16, 1924 00:00 | US-1519211-A // Loud-speaker circuits // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1687489.pdf | 181 kB | Shaun Ewing | Oct 16, 1928 00:00 |
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US-1687489-A // Apparatus and method for electrical transmission of pictures // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 181 kB | Shaun Ewing | Oct 16, 1928 00:00 | US-1687489-A // Apparatus and method for electrical transmission of pictures // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1632817.pdf | 180 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632817-A // Transmission system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 180 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632817-A // Transmission system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1651480.pdf | 179 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651480-A // Battery light // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 179 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651480-A // Battery light // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1777378.pdf | 178 kB | Shaun Ewing | Oct 07, 1930 00:00 |
|
US-1777378-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 178 kB | Shaun Ewing | Oct 07, 1930 00:00 | US-1777378-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1579307.pdf | 175 kB | Shaun Ewing | Apr 06, 1926 00:00 |
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US-1579307-A // Tool handle // Gordon Chester S. // American Telephone & Telegraph | |||
| Version 1 (current) | 175 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579307-A // Tool handle // Gordon Chester S. // American Telephone & Telegraph | ||||
| PDF File 1679396.pdf | 172 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679396-A // Measuring system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 172 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679396-A // Measuring system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1698770.pdf | 171 kB | Shaun Ewing | Jan 15, 1929 00:00 |
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US-1698770-A // Signaling circuits // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 171 kB | Shaun Ewing | Jan 15, 1929 00:00 | US-1698770-A // Signaling circuits // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1405428.pdf | 171 kB | Shaun Ewing | Feb 07, 1922 00:00 |
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US-1405428-A // Signal-transmitting system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 171 kB | Shaun Ewing | Feb 07, 1922 00:00 | US-1405428-A // Signal-transmitting system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1653694.pdf | 171 kB | Shaun Ewing | Dec 27, 1927 00:00 |
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US-1653694-A // Apparatus and method for measuring transmitted light // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 171 kB | Shaun Ewing | Dec 27, 1927 00:00 | US-1653694-A // Apparatus and method for measuring transmitted light // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1573282.pdf | 166 kB | Shaun Ewing | Feb 16, 1926 00:00 |
|
US-1573282-A // Thermionic modulator // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 166 kB | Shaun Ewing | Feb 16, 1926 00:00 | US-1573282-A // Thermionic modulator // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1477609.pdf | 163 kB | Shaun Ewing | Dec 18, 1923 00:00 |
|
US-1477609-A // Telephone-receiver attachment // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 163 kB | Shaun Ewing | Dec 18, 1923 00:00 | US-1477609-A // Telephone-receiver attachment // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1588566.pdf | 160 kB | Shaun Ewing | Jun 15, 1926 00:00 |
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US-1588566-A // Step for poles // Wismer Einar // American Telephone & Telegraph | |||
| Version 1 (current) | 160 kB | Shaun Ewing | Jun 15, 1926 00:00 | US-1588566-A // Step for poles // Wismer Einar // American Telephone & Telegraph | ||||
| PDF File 1413753.pdf | 157 kB | Shaun Ewing | Apr 25, 1922 00:00 |
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US-1413753-A // Receiving device for signaling systems // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 157 kB | Shaun Ewing | Apr 25, 1922 00:00 | US-1413753-A // Receiving device for signaling systems // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1735939.pdf | 155 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735939-A // Drive ring // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735939-A // Drive ring // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1750694.pdf | 155 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750694-A // Drive ring // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750694-A // Drive ring // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1677193.pdf | 152 kB | Shaun Ewing | Jul 17, 1928 00:00 |
|
US-1677193-A // Short-circuiting switch // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Jul 17, 1928 00:00 | US-1677193-A // Short-circuiting switch // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1406998.pdf | 152 kB | Shaun Ewing | Feb 21, 1922 00:00 |
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US-1406998-A // Signaling system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Feb 21, 1922 00:00 | US-1406998-A // Signaling system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1618201.pdf | 152 kB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618201-A // Substation circuits // Inglis Alfred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618201-A // Substation circuits // Inglis Alfred H. // American Telephone & Telegraph | ||||
| PDF File 1741375.pdf | 151 kB | Shaun Ewing | Dec 31, 1929 00:00 |
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US-1741375-A // Current-equalizing device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 151 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741375-A // Current-equalizing device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph |
