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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1762956.pdf | 728 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762956-A // Signaling conductor // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762956-A // Signaling conductor // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 1762953.pdf | 1.11 MB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762953-A // Signaling system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762953-A // Signaling system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1762941.pdf | 448 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762941-A // Paper-insulated conductor // Wood Ernest B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762941-A // Paper-insulated conductor // Wood Ernest B. // Bell Telephone Labor Inc | ||||
| PDF File 1762777.pdf | 563 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762777-A // Transmission system // Goodrum Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 563 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762777-A // Transmission system // Goodrum Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 1762775.pdf | 429 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762775-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762775-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 1762774.pdf | 320 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762774-A // Electromagnetic device // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762774-A // Electromagnetic device // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 1762768.pdf | 891 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762768-A // Transmission system // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 891 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762768-A // Transmission system // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 1762763.pdf | 1.55 MB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762763-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762763-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | ||||
| PDF File 1762759.pdf | 424 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762759-A // Volume-control system // Jr. John C. Burkholder, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762759-A // Volume-control system // Jr. John C. Burkholder, // Bell Telephone Labor Inc | ||||
| PDF File 1762755.pdf | 715 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762755-A // Method and means for reducing crosstalk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762755-A // Method and means for reducing crosstalk in carrier-current signaling systems // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1762746.pdf | 388 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762746-A // Substation locking apparatus // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 388 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762746-A // Substation locking apparatus // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 1762745.pdf | 279 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762745-A // Substation apparatus // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 279 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762745-A // Substation apparatus // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 1762744.pdf | 397 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762744-A // Retardation coil for composite sets // Schwartz Ernest L. ; Jr. Albert J. Williams, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762744-A // Retardation coil for composite sets // Schwartz Ernest L. ; Jr. Albert J. Williams, // Bell Telephone Labor Inc | ||||
| PDF File 1762737.pdf | 609 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762737-A // System employing space-discharge device // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762737-A // System employing space-discharge device // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1762731.pdf | 774 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762731-A // Magnetic device // Mead Edward D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762731-A // Magnetic device // Mead Edward D. // Bell Telephone Labor Inc | ||||
| PDF File 1762730.pdf | 421 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762730-A // Heat treatment of magnetic materials // Mckeehan Louis W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762730-A // Heat treatment of magnetic materials // Mckeehan Louis W. // Bell Telephone Labor Inc | ||||
| PDF File 1762727.pdf | 493 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762727-A // Volume-control system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762727-A // Volume-control system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1762725.pdf | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762725-A // Method of and means for indicating synchronism // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762725-A // Method of and means for indicating synchronism // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1762139.pdf | 298 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762139-A // Signaling system // Bennett Arthur F. ; Mitchell Clifford E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762139-A // Signaling system // Bennett Arthur F. ; Mitchell Clifford E. // Bell Telephone Labor Inc | ||||
| PDF File 1760159.pdf | 572 kB | Shaun Ewing | May 27, 1930 00:00 |
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US-1760159-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | May 27, 1930 00:00 | US-1760159-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc |
