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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2391037.pdf | 785 kB | Shaun Ewing | Dec 18, 1945 00:00 |
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US-2391037-A // Armored conductor structure // Jr. Ira C. Shafer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Dec 18, 1945 00:00 | US-2391037-A // Armored conductor structure // Jr. Ira C. Shafer, // Bell Telephone Labor Inc | ||||
| PDF File 2261243.pdf | 785 kB | Shaun Ewing | Nov 04, 1941 00:00 |
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US-2261243-A // Telephone system // Flint Erlon W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261243-A // Telephone system // Flint Erlon W. // Bell Telephone Labor Inc | ||||
| PDF File 2282394.pdf | 783 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2332448.pdf | 783 kB | Shaun Ewing | Oct 19, 1943 00:00 |
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US-2332448-A // Telephone system // Inglis Alfred H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332448-A // Telephone system // Inglis Alfred H. // Bell Telephone Labor Inc | ||||
| PDF File 2278628.pdf | 783 kB | Shaun Ewing | Apr 07, 1942 00:00 |
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US-2278628-A // Electron discharge device // West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | Apr 07, 1942 00:00 | US-2278628-A // Electron discharge device // West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2375280.pdf | 782 kB | Shaun Ewing | May 08, 1945 00:00 |
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US-2375280-A // Manometer circuits // Calbick Chester J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 782 kB | Shaun Ewing | May 08, 1945 00:00 | US-2375280-A // Manometer circuits // Calbick Chester J. // Bell Telephone Labor Inc | ||||
| PDF File 2304017.pdf | 779 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2304017-A // Carrier telegraph system // Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2304017-A // Carrier telegraph system // Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2302544.pdf | 779 kB | Shaun Ewing | Nov 17, 1942 00:00 |
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US-2302544-A // Signaling system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302544-A // Signaling system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2230104.pdf | 779 kB | Shaun Ewing | Jan 28, 1941 00:00 |
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US-2230104-A // Acoustic device // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Jan 28, 1941 00:00 | US-2230104-A // Acoustic device // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 2283148.pdf | 779 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2283148-A // Modulation of cathode ray devices // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | May 12, 1942 00:00 | US-2283148-A // Modulation of cathode ray devices // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2249577.pdf | 778 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249577-A // Polarized relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 778 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249577-A // Polarized relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2265223.pdf | 777 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265223-A // Service observing set // Brown Horatio G. W. ; Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 777 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265223-A // Service observing set // Brown Horatio G. W. ; Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2303377.pdf | 775 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303377-A // Communication system with voiceoperated switching mechanisms // Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303377-A // Communication system with voiceoperated switching mechanisms // Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2230357.pdf | 774 kB | Shaun Ewing | Feb 04, 1941 00:00 |
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US-2230357-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Feb 04, 1941 00:00 | US-2230357-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2236571.pdf | 774 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236571-A // Coin collector // Hoyt Frederick A. ; Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236571-A // Coin collector // Hoyt Frederick A. ; Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2341996.pdf | 773 kB | Shaun Ewing | Feb 15, 1944 00:00 |
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US-2341996-A // Telegraph signal transmitter for sending shaped impulses // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 773 kB | Shaun Ewing | Feb 15, 1944 00:00 | US-2341996-A // Telegraph signal transmitter for sending shaped impulses // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2289830.pdf | 773 kB | Shaun Ewing | Jul 14, 1942 00:00 |
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US-2289830-A // Circuit closing device // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 773 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289830-A // Circuit closing device // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2367728.pdf | 772 kB | Shaun Ewing | Jan 23, 1945 00:00 |
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US-2367728-A // Balanced cathode ray sweep circuit // Jr. John J. Mahoney, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Jan 23, 1945 00:00 | US-2367728-A // Balanced cathode ray sweep circuit // Jr. John J. Mahoney, // Bell Telephone Labor Inc | ||||
| PDF File 2320726.pdf | 772 kB | Shaun Ewing | Jun 01, 1943 00:00 |
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US-2320726-A // Telephone station equipment // Herckmans Alfred // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Jun 01, 1943 00:00 | US-2320726-A // Telephone station equipment // Herckmans Alfred // Bell Telephone Labor Inc | ||||
| PDF File 2261961.pdf | 772 kB | Shaun Ewing | Nov 11, 1941 00:00 |
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US-2261961-A // Attenuator device // Christensen Carl J. ; Roosbroeck Willy W. Van // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2261961-A // Attenuator device // Christensen Carl J. ; Roosbroeck Willy W. Van // Bell Telephone Labor Inc |