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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1907123.pdf | 598 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1907123-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 598 kB | Shaun Ewing | May 02, 1933 00:00 | US-1907123-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1907132.pdf | 605 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1907132-A // Constant frequency system // Thurston George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 605 kB | Shaun Ewing | May 02, 1933 00:00 | US-1907132-A // Constant frequency system // Thurston George M. // Bell Telephone Labor Inc | ||||
| PDF File 1907147.pdf | 787 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1907147-A // Transmission circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 787 kB | Shaun Ewing | May 02, 1933 00:00 | US-1907147-A // Transmission circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1907425.pdf | 917 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907425-A // Piezo electric resonator // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 917 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907425-A // Piezo electric resonator // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1907426.pdf | 221 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907426-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 221 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907426-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1907427.pdf | 475 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907427-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907427-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1907704.pdf | 418 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907704-A // Method of adjusting translating devices // Anderson William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 418 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907704-A // Method of adjusting translating devices // Anderson William H. // Bell Telephone Labor Inc | ||||
| PDF File 1907712.pdf | 231 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907712-A // Acoustic device // Bedell Eual H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 231 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907712-A // Acoustic device // Bedell Eual H. // Bell Telephone Labor Inc | ||||
| PDF File 1907723.pdf | 1.20 MB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907723-A // Sound reproducing device // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | May 09, 1933 00:00 | US-1907723-A // Sound reproducing device // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 1907745.pdf | 303 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907745-A // Indicating device // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 303 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907745-A // Indicating device // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1907843.pdf | 399 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907843-A // Method of manufacturing transmitter carbon // Lowry Homer H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 399 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907843-A // Method of manufacturing transmitter carbon // Lowry Homer H. // Bell Telephone Labor Inc | ||||
| PDF File 1908346.pdf | 362 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1908346-A // Gauge // Hampton Leon N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | May 09, 1933 00:00 | US-1908346-A // Gauge // Hampton Leon N. // Bell Telephone Labor Inc | ||||
| PDF File 1908366.pdf | 244 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1908366-A // Electrical discharge device // Kingsbury Edwin Foster // Bell Telephone Labor Inc | |||
| Version 1 (current) | 244 kB | Shaun Ewing | May 09, 1933 00:00 | US-1908366-A // Electrical discharge device // Kingsbury Edwin Foster // Bell Telephone Labor Inc | ||||
| PDF File 1909367.pdf | 493 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909367-A // Heat treating loaded conductors // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909367-A // Heat treating loaded conductors // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1909370.pdf | 691 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909370-A // Sound recording and reproducing system // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 691 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909370-A // Sound recording and reproducing system // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 1909375.pdf | 684 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909375-A // Acoustic device // Muller George G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 684 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909375-A // Acoustic device // Muller George G. // Bell Telephone Labor Inc | ||||
| PDF File 1909419.pdf | 556 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909419-A // Telephone system // Oakes William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 556 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909419-A // Telephone system // Oakes William C. // Bell Telephone Labor Inc | ||||
| PDF File 1909438.pdf | 815 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909438-A // Signaling system // Wadsworth Paul W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 815 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909438-A // Signaling system // Wadsworth Paul W. // Bell Telephone Labor Inc | ||||
| PDF File 1909810.pdf | 458 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909810-A // Telephony // Christensen Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 458 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909810-A // Telephony // Christensen Howard // Bell Telephone Labor Inc | ||||
| PDF File 1909812.pdf | 439 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909812-A // Monitoring system // Cooke Leighton B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 439 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909812-A // Monitoring system // Cooke Leighton B. // Bell Telephone Labor Inc |
