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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1675880.pdf | 1.03 MB | Shaun Ewing | Jul 03, 1928 00:00 |
|
US-1675880-A // Electric-current transmission // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675880-A // Electric-current transmission // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1781385.pdf | 1.02 MB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1781385-A // Telephone-exchange system // Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781385-A // Telephone-exchange system // Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 1747241.pdf | 1.01 MB | Shaun Ewing | Feb 18, 1930 00:00 |
|
US-1747241-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747241-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 1724972.pdf | 1020 kB | Shaun Ewing | Aug 20, 1929 00:00 |
|
US-1724972-A // Glass-working machine // Schwerin Paul ; Pfeiffer John G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1020 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1724972-A // Glass-working machine // Schwerin Paul ; Pfeiffer John G. // Bell Telephone Labor Inc | ||||
| PDF File 1708946.pdf | 1015 kB | Shaun Ewing | Apr 16, 1929 00:00 |
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US-1708946-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1015 kB | Shaun Ewing | Apr 16, 1929 00:00 | US-1708946-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1660975.pdf | 1015 kB | Shaun Ewing | Feb 28, 1928 00:00 |
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US-1660975-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1015 kB | Shaun Ewing | Feb 28, 1928 00:00 | US-1660975-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 1717083.pdf | 1006 kB | Shaun Ewing | Jun 11, 1929 00:00 |
|
US-1717083-A // Carrier signal system // Arnold Henry B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1006 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717083-A // Carrier signal system // Arnold Henry B. // Bell Telephone Labor Inc | ||||
| PDF File 1673042.pdf | 1004 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673042-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1004 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673042-A // Signaling system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1778407.pdf | 1001 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778407-A // Selective switch // Walters James N. ; Clark Edgar H. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 1001 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778407-A // Selective switch // Walters James N. ; Clark Edgar H. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1763194.pdf | 1000 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1763194-A // Communication system // Sivian Leon J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763194-A // Communication system // Sivian Leon J. // Bell Telephone Labor Inc | ||||
| PDF File 1719091.pdf | 1000 kB | Shaun Ewing | Jul 02, 1929 00:00 |
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US-1719091-A // Telephone-exchange system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719091-A // Telephone-exchange system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 1728122.pdf | 995 kB | Shaun Ewing | Sept 10, 1929 00:00 |
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US-1728122-A // Television system // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Sept 10, 1929 00:00 | US-1728122-A // Television system // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1759504.pdf | 983 kB | Shaun Ewing | May 20, 1930 00:00 |
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US-1759504-A // Electrooptical transmission // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | May 20, 1930 00:00 | US-1759504-A // Electrooptical transmission // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1632051.pdf | 972 kB | Shaun Ewing | Jun 14, 1927 00:00 |
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US-1632051-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 972 kB | Shaun Ewing | Jun 14, 1927 00:00 | US-1632051-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1667846.pdf | 967 kB | Shaun Ewing | May 01, 1928 00:00 |
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US-1667846-A // Telephone system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 967 kB | Shaun Ewing | May 01, 1928 00:00 | US-1667846-A // Telephone system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1748239.pdf | 940 kB | Shaun Ewing | Feb 25, 1930 00:00 |
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US-1748239-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 940 kB | Shaun Ewing | Feb 25, 1930 00:00 | US-1748239-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 1784879.pdf | 937 kB | Shaun Ewing | Dec 16, 1930 00:00 |
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US-1784879-A // Magnetic modulator circuit // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 937 kB | Shaun Ewing | Dec 16, 1930 00:00 | US-1784879-A // Magnetic modulator circuit // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1753338.pdf | 935 kB | Shaun Ewing | Apr 08, 1930 00:00 |
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US-1753338-A // Telephone-exchange system // Hague Alfred E. ; Peterson George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 935 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753338-A // Telephone-exchange system // Hague Alfred E. ; Peterson George H. // Bell Telephone Labor Inc | ||||
| PDF File 1768288.pdf | 930 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1768288-A // System for converting light energy into electrical energy and vice versa // Mohr Franklin // Bell Telephone Labor Inc | |||
| Version 1 (current) | 930 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1768288-A // System for converting light energy into electrical energy and vice versa // Mohr Franklin // Bell Telephone Labor Inc | ||||
| PDF File 1725032.pdf | 927 kB | Shaun Ewing | Aug 20, 1929 00:00 |
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US-1725032-A // Secret communicating system // Jr. Charles L. Weis, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 927 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1725032-A // Secret communicating system // Jr. Charles L. Weis, // Bell Telephone Labor Inc |
