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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2130499.pdf | 549 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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US-2130499-A // Relay // Knowlton Clarence S. ; Spicer Hobart M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 549 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130499-A // Relay // Knowlton Clarence S. ; Spicer Hobart M. // Bell Telephone Labor Inc | ||||
| PDF File 2130485.pdf | 346 kB | Shaun Ewing | Sept 20, 1938 00:00 |
|
US-2130485-A // Diversity radio receiver // Feldman Carl B. H. ; Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 346 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130485-A // Diversity radio receiver // Feldman Carl B. H. ; Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2130482.pdf | 602 kB | Shaun Ewing | Sept 20, 1938 00:00 |
|
US-2130482-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 602 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130482-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | ||||
| PDF File 2129890.pdf | 758 kB | Shaun Ewing | Sept 13, 1938 00:00 |
|
US-2129890-A // Regulator // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129890-A // Regulator // Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2129870.pdf | 375 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129870-A // Amplitude modulation system // Rack Alois J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129870-A // Amplitude modulation system // Rack Alois J. // Bell Telephone Labor Inc | ||||
| PDF File 2129860.pdf | 1.90 MB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129860-A // Privacy system // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.90 MB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129860-A // Privacy system // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2129849.pdf | 501 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129849-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129849-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2129820.pdf | 693 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129820-A // Modulation system for ultra-short waves // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129820-A // Modulation system for ultra-short waves // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2129669.pdf | 1.22 MB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129669-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129669-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2129011.pdf | 3.76 MB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2129011-A // Telephone system // Lamberty Frederick R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.76 MB | Shaun Ewing | Sept 06, 1938 00:00 | US-2129011-A // Telephone system // Lamberty Frederick R. // Bell Telephone Labor Inc | ||||
| PDF File 2129008.pdf | 287 kB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2129008-A // Condenser // Kater Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Sept 06, 1938 00:00 | US-2129008-A // Condenser // Kater Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2129004.pdf | 836 kB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2129004-A // Radio signaling // Greig Ethel Margaret // Bell Telephone Labor Inc | |||
| Version 1 (current) | 836 kB | Shaun Ewing | Sept 06, 1938 00:00 | US-2129004-A // Radio signaling // Greig Ethel Margaret // Bell Telephone Labor Inc | ||||
| PDF File 2129001.pdf | 411 kB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2129001-A // Automatic camera // Goehner William R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Sept 06, 1938 00:00 | US-2129001-A // Automatic camera // Goehner William R. // Bell Telephone Labor Inc | ||||
| PDF File 2129000.pdf | 342 kB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2129000-A // Condenser // Given Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Sept 06, 1938 00:00 | US-2129000-A // Condenser // Given Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 2128991.pdf | 413 kB | Shaun Ewing | Sept 06, 1938 00:00 |
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US-2128991-A // Wrench device // Eighmey David T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Sept 06, 1938 00:00 | US-2128991-A // Wrench device // Eighmey David T. // Bell Telephone Labor Inc | ||||
| PDF File 2128442.pdf | 1.48 MB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128442-A // Prepayment telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128442-A // Prepayment telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 2128427.pdf | 504 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128427-A // Vacuum switch // Means Winthrop J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128427-A // Vacuum switch // Means Winthrop J. // Bell Telephone Labor Inc | ||||
| PDF File 2128420.pdf | 891 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128420-A // Piezoelectric crystal mounting // Laskey William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 891 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128420-A // Piezoelectric crystal mounting // Laskey William G. // Bell Telephone Labor Inc | ||||
| PDF File 2128412.pdf | 725 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128412-A // Cable plug // Harley Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128412-A // Cable plug // Harley Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2128411.pdf | 749 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128411-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128411-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc |
