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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2178464.pdf | 407 kB | Shaun Ewing | Oct 31, 1939 00:00 |
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US-2178464-A // Cathode ray sweep circuit // Jr. Millard Warner Baldwin, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 407 kB | Shaun Ewing | Oct 31, 1939 00:00 | US-2178464-A // Cathode ray sweep circuit // Jr. Millard Warner Baldwin, // Bell Telephone Labor Inc | ||||
| PDF File 2178548.pdf | 627 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2178548-A // Resistor // Black Knox C. ; Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 627 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2178548-A // Resistor // Black Knox C. ; Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2178653.pdf | 556 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2178653-A // Building-out unit // Slade Benjamin // Bell Telephone Labor Inc | |||
| Version 1 (current) | 556 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2178653-A // Building-out unit // Slade Benjamin // Bell Telephone Labor Inc | ||||
| PDF File 2178656.pdf | 926 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2178656-A // Electromagnetic switching device // Swenson Paul W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 926 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2178656-A // Electromagnetic switching device // Swenson Paul W. // Bell Telephone Labor Inc | ||||
| PDF File 2178954.pdf | 490 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2178954-A // Method and apparatus for testing electrical resistance // Dehmel Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2178954-A // Method and apparatus for testing electrical resistance // Dehmel Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 2179091.pdf | 930 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179091-A // Coin collector // Hoyt Frederick A. ; Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 930 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179091-A // Coin collector // Hoyt Frederick A. ; Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 2179098.pdf | 908 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179098-A // Electro-optical apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179098-A // Electro-optical apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2179106.pdf | 988 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179106-A // Secrecy signaling system // Taylor Charles C. ; Wright Sumner B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179106-A // Secrecy signaling system // Taylor Charles C. ; Wright Sumner B. // Bell Telephone Labor Inc | ||||
| PDF File 2179237.pdf | 456 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179237-A // Tone generator // Stibitz George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179237-A // Tone generator // Stibitz George R. // Bell Telephone Labor Inc | ||||
| PDF File 2179243.pdf | 727 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179243-A // Cathode ray device // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179243-A // Cathode ray device // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2179261.pdf | 380 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179261-A // Method and apparatus for heating dielectric materials // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179261-A // Method and apparatus for heating dielectric materials // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2179640.pdf | 256 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179640-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179640-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2179818.pdf | 477 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179818-A // Electrically heated tool // Hampton Leon N. ; Shangle Amos H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179818-A // Electrically heated tool // Hampton Leon N. ; Shangle Amos H. // Bell Telephone Labor Inc | ||||
| PDF File 2179826.pdf | 524 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179826-A // Protective device // May David T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179826-A // Protective device // May David T. // Bell Telephone Labor Inc | ||||
| PDF File 2179915.pdf | 931 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179915-A // Gain control circuits // Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 931 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179915-A // Gain control circuits // Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2179971.pdf | 473 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179971-A // Means and method of sectionalizing coaxial cables // Wentz Jesse F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179971-A // Means and method of sectionalizing coaxial cables // Wentz Jesse F. // Bell Telephone Labor Inc | ||||
| PDF File 2180288.pdf | 379 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2180288-A // Electromagnet // Beach William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 379 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2180288-A // Electromagnet // Beach William C. // Bell Telephone Labor Inc | ||||
| PDF File 2180334.pdf | 499 kB | Shaun Ewing | Nov 21, 1939 00:00 |
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US-2180334-A // Signaling system // Bredehoft Harold A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Nov 21, 1939 00:00 | US-2180334-A // Signaling system // Bredehoft Harold A. // Bell Telephone Labor Inc | ||||
| PDF File 2180364.pdf | 692 kB | Shaun Ewing | Nov 21, 1939 00:00 |
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US-2180364-A // Cathode ray sweep circuits // Norton Frank R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Nov 21, 1939 00:00 | US-2180364-A // Cathode ray sweep circuits // Norton Frank R. // Bell Telephone Labor Inc | ||||
| PDF File 2180365.pdf | 803 kB | Shaun Ewing | Nov 21, 1939 00:00 |
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US-2180365-A // Sweep circuits // Norton Frank R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Nov 21, 1939 00:00 | US-2180365-A // Sweep circuits // Norton Frank R. // Bell Telephone Labor Inc |
