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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2484211.pdf | 1.30 MB | Shaun Ewing | Oct 11, 1949 00:00 |
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US-2484211-A // Power line carrier frequency telephone system // Emling John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Oct 11, 1949 00:00 | US-2484211-A // Power line carrier frequency telephone system // Emling John W. // Bell Telephone Labor Inc | ||||
| PDF File 2484066.pdf | 1.18 MB | Shaun Ewing | Oct 11, 1949 00:00 |
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US-2484066-A // Regenerative telegraph repeater, one or more code combinations per start-stop cycle // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Oct 11, 1949 00:00 | US-2484066-A // Regenerative telegraph repeater, one or more code combinations per start-stop cycle // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2483733.pdf | 920 kB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483733-A // Switch bank coating machine // Miller Victor F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 920 kB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483733-A // Switch bank coating machine // Miller Victor F. // Bell Telephone Labor Inc | ||||
| PDF File 2483732.pdf | 854 kB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483732-A // Signaling circuit // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 854 kB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483732-A // Signaling circuit // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2483723.pdf | 250 kB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483723-A // Electromagnetic circuit maker and breaker // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 250 kB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483723-A // Electromagnetic circuit maker and breaker // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2483594.pdf | 1.13 MB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483594-A // Pulse operated system // Oliver Bernard M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483594-A // Pulse operated system // Oliver Bernard M. // Bell Telephone Labor Inc | ||||
| PDF File 2483575.pdf | 1.09 MB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483575-A // Directional microwave antenna // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483575-A // Directional microwave antenna // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2482373.pdf | 753 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482373-A // Stabilized system // Rudin Robert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482373-A // Stabilized system // Rudin Robert // Bell Telephone Labor Inc | ||||
| PDF File 2482364.pdf | 801 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482364-A // Device for heat-treating magnetic materials // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 801 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482364-A // Device for heat-treating magnetic materials // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2482214.pdf | 316 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482214-A // Connecting plug // Rogie James M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482214-A // Connecting plug // Rogie James M. // Bell Telephone Labor Inc | ||||
| PDF File 2482173.pdf | 892 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482173-A // Test circuit // Hagstrum Homer D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 892 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482173-A // Test circuit // Hagstrum Homer D. // Bell Telephone Labor Inc | ||||
| PDF File 2482162.pdf | 592 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482162-A // Directive microwave antenna // Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482162-A // Directive microwave antenna // Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2482158.pdf | 829 kB | Shaun Ewing | Sept 20, 1949 00:00 |
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US-2482158-A // Directive antenna system // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Sept 20, 1949 00:00 | US-2482158-A // Directive antenna system // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2481932.pdf | 1.03 MB | Shaun Ewing | Sept 13, 1949 00:00 |
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US-2481932-A // Supervisory signaling in telephone systems // Kille Lindley A. ; Robb Theodore D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Sept 13, 1949 00:00 | US-2481932-A // Supervisory signaling in telephone systems // Kille Lindley A. ; Robb Theodore D. // Bell Telephone Labor Inc | ||||
| PDF File 2481919.pdf | 1.75 MB | Shaun Ewing | Sept 13, 1949 00:00 |
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US-2481919-A // Multiway regenerative repeater system // Fitch Karl E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.75 MB | Shaun Ewing | Sept 13, 1949 00:00 | US-2481919-A // Multiway regenerative repeater system // Fitch Karl E. // Bell Telephone Labor Inc | ||||
| PDF File 2481915.pdf | 2.08 MB | Shaun Ewing | Sept 13, 1949 00:00 |
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US-2481915-A // Power line carrier wave communication system // Edson Robert C. ; Emling John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.08 MB | Shaun Ewing | Sept 13, 1949 00:00 | US-2481915-A // Power line carrier wave communication system // Edson Robert C. ; Emling John W. // Bell Telephone Labor Inc | ||||
| PDF File 2481667.pdf | 1.09 MB | Shaun Ewing | Sept 13, 1949 00:00 |
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US-2481667-A // Electrooptical system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Sept 13, 1949 00:00 | US-2481667-A // Electrooptical system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2481644.pdf | 384 kB | Shaun Ewing | Sept 13, 1949 00:00 |
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US-2481644-A // Transformer responding to variations in amplitude of input waves // Callaway William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Sept 13, 1949 00:00 | US-2481644-A // Transformer responding to variations in amplitude of input waves // Callaway William B. // Bell Telephone Labor Inc | ||||
| PDF File 2481474.pdf | 225 kB | Shaun Ewing | Sept 06, 1949 00:00 |
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US-2481474-A // Porcelain enamel // Goodman Gilbert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 225 kB | Shaun Ewing | Sept 06, 1949 00:00 | US-2481474-A // Porcelain enamel // Goodman Gilbert // Bell Telephone Labor Inc | ||||
| PDF File 2481458.pdf | 911 kB | Shaun Ewing | Sept 06, 1949 00:00 |
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US-2481458-A // Cathode-ray device // Wertz Hugh S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 911 kB | Shaun Ewing | Sept 06, 1949 00:00 | US-2481458-A // Cathode-ray device // Wertz Hugh S. // Bell Telephone Labor Inc |
