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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2594325.pdf | 1.15 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594325-A // Spaced pulse impulse sender // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594325-A // Spaced pulse impulse sender // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2594336.pdf | 950 kB | Shaun Ewing | Apr 29, 1952 00:00 |
|
US-2594336-A // Electrical counter circuit // Mohr Milton E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 950 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594336-A // Electrical counter circuit // Mohr Milton E. // Bell Telephone Labor Inc | ||||
| PDF File 2594389.pdf | 769 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594389-A // Double-lockout interconnecting system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 769 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594389-A // Double-lockout interconnecting system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2594409.pdf | 1.22 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594409-A // Directive antenna // Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594409-A // Directive antenna // Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2594449.pdf | 1.36 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594449-A // Transistor switching device // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594449-A // Transistor switching device // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2594495.pdf | 2.26 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594495-A // Magnetic recording system for call data in automatic telephony // Retallack John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.26 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594495-A // Magnetic recording system for call data in automatic telephony // Retallack John B. // Bell Telephone Labor Inc | ||||
| PDF File 2594505.pdf | 3.02 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594505-A // Calling line identification and registering system // Seudder Frederick J. ; Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594505-A // Calling line identification and registering system // Seudder Frederick J. ; Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2594530.pdf | 363 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594530-A // Amplifying system // Young Clarence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594530-A // Amplifying system // Young Clarence H. // Bell Telephone Labor Inc | ||||
| PDF File 2594890.pdf | 756 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594890-A // Contact protection arrangement // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594890-A // Contact protection arrangement // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2594897.pdf | 907 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594897-A // Cathode structure for electron discharge tubes // Field Lester M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594897-A // Cathode structure for electron discharge tubes // Field Lester M. // Bell Telephone Labor Inc | ||||
| PDF File 2594923.pdf | 1.45 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594923-A // Call data recording telephone system // Hersey Ralph E. ; Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594923-A // Call data recording telephone system // Hersey Ralph E. ; Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2594949.pdf | 919 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594949-A // Preset type impulse-sender // Madden James J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 919 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594949-A // Preset type impulse-sender // Madden James J. // Bell Telephone Labor Inc | ||||
| PDF File 2594993.pdf | 702 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594993-A // Telegraph hub electronic loop repeater circuit // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 702 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594993-A // Telegraph hub electronic loop repeater circuit // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2595106.pdf | 3.16 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2595106-A // Recording telephone system // Scudder Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.16 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2595106-A // Recording telephone system // Scudder Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 2595163.pdf | 449 kB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2595163-A // Electronic voltmeter test circuit for measuring high-resistance leaks // Niederau William Edward ; Jr. David Ritchie, ; Wright Paul L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Apr 29, 1952 00:00 | US-2595163-A // Electronic voltmeter test circuit for measuring high-resistance leaks // Niederau William Edward ; Jr. David Ritchie, ; Wright Paul L. // Bell Telephone Labor Inc | ||||
| PDF File 2595208.pdf | 1.24 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2595208-A // Transistor pulse divider // Bangert John T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2595208-A // Transistor pulse divider // Bangert John T. // Bell Telephone Labor Inc | ||||
| PDF File 2595232.pdf | 840 kB | Shaun Ewing | May 06, 1952 00:00 |
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US-2595232-A // Telephone switching system employing a transistor // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 840 kB | Shaun Ewing | May 06, 1952 00:00 | US-2595232-A // Telephone switching system employing a transistor // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2595646.pdf | 1.23 MB | Shaun Ewing | May 06, 1952 00:00 |
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US-2595646-A // Television test signal generator // Jr. Stephen Doba, ; Jansen Johannes J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | May 06, 1952 00:00 | US-2595646-A // Television test signal generator // Jr. Stephen Doba, ; Jansen Johannes J. // Bell Telephone Labor Inc | ||||
| PDF File 2595652.pdf | 679 kB | Shaun Ewing | May 06, 1952 00:00 |
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US-2595652-A // Coupled cavity resonator // Fisk James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | May 06, 1952 00:00 | US-2595652-A // Coupled cavity resonator // Fisk James B. // Bell Telephone Labor Inc | ||||
| PDF File 2595662.pdf | 767 kB | Shaun Ewing | May 06, 1952 00:00 |
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US-2595662-A // Automatic volume control for oscillators // Houghton Edward W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 767 kB | Shaun Ewing | May 06, 1952 00:00 | US-2595662-A // Automatic volume control for oscillators // Houghton Edward W. // Bell Telephone Labor Inc |
