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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1915386.pdf | 616 kB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915386-A // Process for the production of magnetic materials in powdered form // Schumacher Earle E. ; Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915386-A // Process for the production of magnetic materials in powdered form // Schumacher Earle E. ; Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 1915389.pdf | 572 kB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915389-A // Regulator system // Sole John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915389-A // Regulator system // Sole John H. // Bell Telephone Labor Inc | ||||
| PDF File 1916223.pdf | 948 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916223-A // Sound translating device // Kalin Walter // Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916223-A // Sound translating device // Kalin Walter // Bell Telephone Labor Inc | ||||
| PDF File 1916231.pdf | 626 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916231-A // Measurement of electrical characteristics of transmission circuits and networks // Och Henry G. ; Hinshaw Foster A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 626 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916231-A // Measurement of electrical characteristics of transmission circuits and networks // Och Henry G. ; Hinshaw Foster A. // Bell Telephone Labor Inc | ||||
| PDF File 1916320.pdf | 1.35 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916320-A // Stereoscopic picture with exaggerated or diminished relief // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916320-A // Stereoscopic picture with exaggerated or diminished relief // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1916358.pdf | 571 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916358-A // Radio direction finder // Bruce Edmond ; Friis Harald T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916358-A // Radio direction finder // Bruce Edmond ; Friis Harald T. // Bell Telephone Labor Inc | ||||
| PDF File 1916760.pdf | 6.58 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916760-A // Telephone exchange system // Henry Israel H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.58 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916760-A // Telephone exchange system // Henry Israel H. // Bell Telephone Labor Inc | ||||
| PDF File 1916761.pdf | 6.46 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916761-A // Telephone exchange system // Henry Israel H. ; Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.46 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916761-A // Telephone exchange system // Henry Israel H. ; Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 1917007.pdf | 738 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917007-A // Sound translating device // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917007-A // Sound translating device // Atkins George E. // Bell Telephone Labor Inc | ||||
| PDF File 1917008.pdf | 587 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917008-A // Timing mechanism // Beck William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917008-A // Timing mechanism // Beck William O. // Bell Telephone Labor Inc | ||||
| PDF File 1917009.pdf | 334 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917009-A // Electrical connecter // Betts Walter L. ; Soreny Ernest // Bell Telephone Labor Inc | |||
| Version 1 (current) | 334 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917009-A // Electrical connecter // Betts Walter L. ; Soreny Ernest // Bell Telephone Labor Inc | ||||
| PDF File 1917012.pdf | 762 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917012-A // Sound translating device // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917012-A // Sound translating device // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 1917013.pdf | 547 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917013-A // Sound translating device // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917013-A // Sound translating device // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 1917015.pdf | 362 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917015-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917015-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1917016.pdf | 371 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917016-A // Circuit for reducing interference // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 371 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917016-A // Circuit for reducing interference // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1917035.pdf | 1.20 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917035-A // Circuit for reducing interference // Jacobs Oliver B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917035-A // Circuit for reducing interference // Jacobs Oliver B. // Bell Telephone Labor Inc | ||||
| PDF File 1917052.pdf | 1.08 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917052-A // Power line carrier current system // Nebel Charles N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917052-A // Power line carrier current system // Nebel Charles N. // Bell Telephone Labor Inc | ||||
| PDF File 1917061.pdf | 1.61 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917061-A // Composite transmission system // Quarles Donald A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917061-A // Composite transmission system // Quarles Donald A. // Bell Telephone Labor Inc | ||||
| PDF File 1917064.pdf | 659 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917064-A // Vacuum tube circuits // Romnes Haaken I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 659 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917064-A // Vacuum tube circuits // Romnes Haaken I. // Bell Telephone Labor Inc | ||||
| PDF File 1917072.pdf | 811 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917072-A // Acoustic device // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 811 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917072-A // Acoustic device // Smythe Edwin H. // Bell Telephone Labor Inc |