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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1551171.pdf | 638 kB | Shaun Ewing | Aug 25, 1925 00:00 |
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US-1551171-A // Automatic telephone substation circuits // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 638 kB | Shaun Ewing | Aug 25, 1925 00:00 | US-1551171-A // Automatic telephone substation circuits // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1555683.pdf | 448 kB | Shaun Ewing | Sept 29, 1925 00:00 |
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US-1555683-A // Impulse transmitter // Manson Ray H. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Sept 29, 1925 00:00 | US-1555683-A // Impulse transmitter // Manson Ray H. // Stromberg Carlson Telephone | ||||
| PDF File 1559371.pdf | 1.02 MB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559371-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559371-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1560725.pdf | 969 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560725-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 969 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560725-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1560726.pdf | 687 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560726-A // Telephone substation circuit // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 687 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560726-A // Telephone substation circuit // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1564020.pdf | 1.12 MB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1564020-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Dec 01, 1925 00:00 | US-1564020-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1565954.pdf | 1.39 MB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565954-A // Telephone-exchange system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565954-A // Telephone-exchange system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1569676.pdf | 796 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1569676-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1569676-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1569677.pdf | 787 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1569677-A // Telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 787 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1569677-A // Telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1569678.pdf | 950 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1569678-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 950 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1569678-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1572222.pdf | 2.26 MB | Shaun Ewing | Feb 09, 1926 00:00 |
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US-1572222-A // Telephone switching system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 2.26 MB | Shaun Ewing | Feb 09, 1926 00:00 | US-1572222-A // Telephone switching system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1572223.pdf | 862 kB | Shaun Ewing | Feb 09, 1926 00:00 |
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US-1572223-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 862 kB | Shaun Ewing | Feb 09, 1926 00:00 | US-1572223-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1572224.pdf | 1.05 MB | Shaun Ewing | Feb 09, 1926 00:00 |
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US-1572224-A // Long-distance telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Feb 09, 1926 00:00 | US-1572224-A // Long-distance telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1575495.pdf | 1.09 MB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1575495-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Mar 02, 1926 00:00 | US-1575495-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone | ||||
| PDF File 1575496.pdf | 415 kB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1575496-A // Radioplug // Manson Ray H. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 415 kB | Shaun Ewing | Mar 02, 1926 00:00 | US-1575496-A // Radioplug // Manson Ray H. // Stromberg Carlson Telephone | ||||
| PDF File 1575602.pdf | 1.27 MB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1575602-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Mar 02, 1926 00:00 | US-1575602-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1575603.pdf | 1.18 MB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1575603-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Mar 02, 1926 00:00 | US-1575603-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1575604.pdf | 963 kB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1575604-A // Manual telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 963 kB | Shaun Ewing | Mar 02, 1926 00:00 | US-1575604-A // Manual telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1579835.pdf | 1.51 MB | Shaun Ewing | Apr 06, 1926 00:00 |
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US-1579835-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579835-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 1579836.pdf | 702 kB | Shaun Ewing | Apr 06, 1926 00:00 |
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US-1579836-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 702 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579836-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone |
