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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 2129890.pdf | 758 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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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 2130482.pdf | 602 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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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 2130485.pdf | 346 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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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 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 2130508.pdf | 288 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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US-2130508-A // Inductance device // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 288 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130508-A // Inductance device // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2130510.pdf | 423 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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US-2130510-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 423 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130510-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2130517.pdf | 569 kB | Shaun Ewing | Sept 20, 1938 00:00 |
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US-2130517-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Sept 20, 1938 00:00 | US-2130517-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2131173.pdf | 1.39 MB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131173-A // Cable sheath extruding press // Greenall Charles H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131173-A // Cable sheath extruding press // Greenall Charles H. // Bell Telephone Labor Inc | ||||
| PDF File 2131365.pdf | 1.51 MB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131365-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131365-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2131366.pdf | 528 kB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131366-A // Electric wave amplifying system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131366-A // Electric wave amplifying system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2131393.pdf | 724 kB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131393-A // Electric wave amplifying system // Stillwell Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131393-A // Electric wave amplifying system // Stillwell Albert L. // Bell Telephone Labor Inc |
